bluuebunny/crossref_metadata_2025 huggingface dataset:
Is Age but a Number? Age-Related Outcomes for Total Ankle Replacement
Authors: Khan Ryan , Halai Mansur , Daniels Timothy R. , Pinsker Ellie , Ha Joon
Published: December 2024

Category:

Ankle Arthritis; Ankle

Introduction/Purpose:

Total ankle replacement (TAR) is increasingly performed on patients across a wide age spectrum, though historically it has been reserved for older patients (>60). In this study, we seek to determine how age influences patient outcomes.

Methods:

This is a retrospective, comparative cohort study of consecutive patients that underwent TAR from 2004-2021. Patients were categorized into three age groups: < 55, 56-70, and >70. We evaluated surgical complications and patient-reported outcome measures, including Ankle Osteoarthritis Pain & Disability Scores (AOS) and Short Form-36 Health Survey (SF-36). Analysis of covariance was performed, adjusting for patient factors.

Results:

We reviewed 812 consecutive TARs from a single-centre with 407 (50.1%) male and mean BMI of 29.8±5.78. The median follow up was 64.0 months (IQR,76.0). Patients ≤55 had worse pain preoperatively than both older patient groups (p=0.03) and worse mental health (p< 0.001), however, this difference was not observed in postoperative AOS pain (p=0.15) or SF-36 MCS scores (p=0.87). Patients >70 had worse physical health than patients 56-70 (p=0.02) and less change in pre- to postoperative SF-36 PCS scores (p=0.02). Patients from all groups improved similarly according to the AOS pain (p=0.15) and disability (p=0.12).

Conclusion:

These results show that TAR patients younger than 55 have worse pain and mental health preoperatively but have similar long-term clinical outcomes to patients 56 and older.
Malreduction of Syndesmosis and Outcomes Following Trans-Syndesmotic Screw vs Suture Button Fixation Under Direct Visualization and Reduction Technique: A Prospective Randomized Controlled Study
Authors: Rungprai Chamnanni , Sripanich Yantarat , Pangkanon Suthavee , Suksintharanon Methasit
Published: December 2024

Category:

Trauma; Ankle

Introduction/Purpose:

Syndesmotic injury commonly accompanies rotational ankle fractures, with malreduction significantly affecting outcomes. While suture button fixation has demonstrated efficacy in reducing malreduction rates compared to trans-syndesmotic screw fixation, it incurs higher implant costs. However, the introduction of a direct visualization and reduction technique offers the possibility to mitigate the difference. This study aims to compare the syndesmotic malreduction rate and outcomes between trans-syndesmotic screw fixation and suture button fixation, utilizing the direct syndesmotic visualization technique.

Methods:

One hundred patients with unstable rotational ankle fractures and arthroscopically-confirmed syndesmotic injury who underwent open reduction and internal fixation were prospectively randomized into two parallel groups, receiving either trans-syndesmotic screw (SS) fixation (n=50) or suture button (SB) fixation (n=50). All syndesmoses were reduced under direct visualization at the anterior tibiofibular line. The primary outcome was the syndesmotic malreduction rate, evaluated by bilateral post-operative CT scan with a 2-mm side-to-side difference threshold. Secondary outcomes included visual analog scale (VAS), Short Form-36 (SF-36), and Foot and Ankle Ability Measure (FAAM) scores, as well as complications.

Results:

The malreduction rate was higher in the SS group (14%) compared to the SB group (4%), but it did not reach statistical significance (p = 0.160). Both groups showed significant improvement in pain VAS, FAAM scores, and SF-36, without a significant difference between the groups. The complication rate was not significantly different.

Conclusion:

The syndesmotic malreduction rates and post-operative outcomes were comparable between trans-syndesmotic screws and suture button fixation under direct visualization and reduction technique. Direct visualization and reduction of the syndesmosis with screw fixation can be a useful technique for better adjustment, potentially reducing malreduction to levels closer to those achieved with suture button fixation.
Modern Percutaneous Hallux Valgus Surgery for Revision of Recurrent Hallux Valgus
Authors: Toepfer Andreas Kurt , Chomej Pawel , Mococain Pablo , Liszka Henryk , Ray Robbie , Lewis Tom , Lam Peter , Gordon David
Published: December 2024

Category:

Bunion; Other

Introduction/Purpose:

Hallux valgus is the most common foot deformity, and recurrent deformity is the most common complication after primary hallux valgus correction. The principles of HV revision surgery do not differ from the initial goal of hallux valgus correction, which is to restore physiologic alignment and alleviate symptoms. Choosing the appropriate procedure to address the given deformity pattern and the technical competence to perform the corrective procedure are the keys to success. To date, no 3rd or 4th generation minimally-invasive technique for the correction of recurrent hallux valgus has been described in the literature. The aim of this multicenter analysis is to evaluate the use of modern percutaneous bunion surgery techniques in the revision of recurrent hallux valgus.

Methods:

A total of 100 cases operated between 2013 and 2023 and contributed by 7 surgeons from 6 countries, all performing percutaneous 3rd and 4th generation Minimally-Invasive Chevron Akin (MICA) / Percutaneous Chevron Akin (PECA) / Minimally Invasive Extra-articular Transverse and Akin (META), were retrospectively evaluated. Minimum follow-up was 12 months (range 12-104). Radiological correction (HVA, IMA, tibial sesamoid position), surgery associated complications using the modified Clavien-Dindo-Sink classification and functional outcome (MOXFQ) were evaluated.

Results:

The complication rate was 21%. Most complications could be managed non-surgically. The most common complication was screw prominence leading to revision surgery with hardware removal in 8.5% of all cases. Major complications such as deep infection requiring revision surgery were extremely rare. HVA was corrected from a mean of 33.5° to 10.3° at 6 weeks and 9.0° at 12 months, IMA from a mean of 13.9° to 4.8° and 5.1°, respectively. The mean Clapham-Hardy tibial sesamoid position was classified as type 6 preoperatively and improved to type 2 postoperatively. PROMs using the MOXFQ score improved from a preoperative index score of 46.0 to 8.9.

Conclusion:

Modern percutaneous hallux valgus techniques have proven to be a reliable tool in the primary correction of hallux valgus and metatarsus primus varus, aiming to minimize surgical morbidity and maximize surgical efficiency without compromising safety. To date, there have been no reports of these procedures for recurrent hallux valgus. With adequate training and experience, the use of 3rd and 4th generation MICA/PECA/META is a safe procedure for the revision of recurrent hallux valgus resulting in significant improvements in radiographic parameters, functional outcome and patient satisfaction. The rate of relevant complications is not increased compared to traditional open surgical techniques.
Modified Gift Box Repair Technique in Achilles Tendon Rupture: A 5-Year Follow-Up
Authors: Kord Mohammad Hossein Chegini , Ebrahimi Alireza , Nazari Leili , Waryasz Gregory R. , Razi Mohammad , Ashkani-Esfahani Soheil , Ebrahimpour Adel
Published: December 2024

Category:

Sports; Trauma

Introduction/Purpose:

Achilles Tendon (AT) rupture is one of the most prevalent adult tendon injuries, with the incidence rate estimated to range between 7 to 40 in 100,000 person-years. This study aimed to assess the clinical and functional outcomes of a modified “Gift box” open technique for AT rupture repair.

Methods:

After receiving IRB approval, in a single center study in Tehran, Iran, we conducted a consecutive case-series study including 36 patients with acute AT rupture who underwent modified gift box AT repair using two mini-incisions and gift box sutures by expert surgeons affiliated with the local hospitals (Figure 1). The postoperative protocol involved all patients discontinuing the use of crutches after 4 weeks and removing their boot after 8 weeks. The AT rupture score (ATRS) and the American Orthopedic Foot and Ankle Society (AOFAS) measure scores were obtained from all patients at 6, 9, 18, and 36 months postoperatively with a complementary follow-up in an average of 24 months (range of 18 to 48 months) after the last follow-up. The study also included other variables such as visual analog scale (VAS) for pain, calf atrophy, and the range of sagittal ankle motion, wound complications, sural nerve injury, and re-rupture rate.

Results:

The patients treated with modified gift box technique yielded AOFAS scores of 85±3 and ATRS of 84.7±5.4 at 36 months postoperatively, further improving to 86±7 and 85.2±5.1 respectively during extended follow-up (up to 2 years). Approximately 82% of patients regained normal activities of daily living within 4 months, while 91.5% recovered preinjury vigorous activity levels by 6 months postoperatively. Mean VAS pain scores decreased from 7.9±0.9 at 2 months to < 4 after 3 months. Isokinetic testing demonstrated plantar flexion and dorsiflexion strength deficits of 84.9±5.3% and 89.8±4.7% respectively compared to the contralateral uninjured side at 3 months, resolving to equivalent strength by 42 months. Dorsiflexion range of motion reached 94% of normal at 5 years follow-up, though calf circumference remained < 95% of normal size.

Conclusion:

The modified gift box technique for AT rupture repair using two mini-incisions and gift box sutures, which we assume to be less invasive compared to the previously reported method, demonstrated favorable clinical outcomes with high patient satisfaction levels. Patients experienced significant improvements in functional scores, pain levels, strength, and range of motion over time, with most regaining their ability to perform activities of daily living and returning to preinjury levels of physical activity. While some residual deficits were observed, the procedure was well-tolerated with no significant complications, suggesting it is a safe and effective treatment option.
Muscle Strength and Foot Pressure Vary Depending on the Type of Foot Pain
Authors: Young Jang Woo , Hyuck Lee Jin , Keun Chang Byeong
Published: December 2024

Category:

Midfoot/Forefoot; Hindfoot

Introduction/Purpose:

Foot pain is highly prevalent at various ages and is especially common in middle-aged and older females. To the best of our knowledge, there have been no studies directly comparing muscle strength, foot pressure, and foot posture between metatarsalgia, plantar fasciitis, and normal controls, and the available study data in metatarsalgia is limited. Therefore, this study aimed to compare muscle strength, foot pressure, and foot posture between patients with metatarsalgia, plantar fasciitis, and normal controls. We hypothesized that metatarsalgia and plantar fasciitis would have decreased muscle strength, increased foot pressure, and different foot postures compared to normal controls.

Methods:

To compare the muscle strength and foot pressure between patients with metatarsalgia and plantar fasciitis and healthy controls. 31 patients with foot pain (n=14 for metatarsalgia and n=17 for plantar fasciitis) and 29 healthy controls participated. The muscle strengths of the plantar flexor and hip muscles were measured using an isokinetic dynamometer and handheld dynamometer, respectively. Foot pressure parameters, including the pressure-time integral (PTI) and foot arch index (AI), were assessed using pedobarography.

Results:

Compared with the normal control group, plantar flexor strength was significantly reduced in the affected feet of the metatarsalgia and plantar fasciitis groups (F: 0.083, all p< 0.001), but hip strength was significantly decreased only in the affected feet of the metatarsalgia group (F: 20.900, p< 0.001). In particular, plantar flexor strength (p< 0.001) and hip strength (p=0.004) were significantly lower in the metatarsalgia group than in the plantar fasciitis group. PTI was lower in the forefoot of the affected feet in metatarsalgia (p< 0.001) and plantar fasciitis (p=0.004). Foot AI (p< 0.001) was significantly reduced only in he metatarsalgia group.

Conclusion:

The study results suggest that the evaluation of muscle strength and foot pressure should be considered in both feet for the diagnosis and treatment of foot pain.
Neo Angio-Osteo-Chonrogenesis Using Autologous Matrix induced Chondrogenesis (AMIC) Membrane in the Treatment of Freiberg`s Disease of Lesser Metatarsals –A Five Year Folow Up of 10 Cases
Authors: Rajeev Aysha , Koshy George , Devalia Kailash
Published: December 2024

Category:

Lesser Toes; Other

Introduction/Purpose:

Freiberg’s infraction is osteonecrosis of lesser metatarsal heads most commonly affecting adolescent females. They usually present with pain and swelling of the forefoot. MRI is useful investigation in the early diagnosis. It is a self-limiting disease and the main stay of treatment is non operative. Surgery is indicated in failed conservative management which include open debridement, cheilectomy, micro fracture, and osteotomy and excision arthroplasty. The aim of the study is to describe a new technique for treatment of Freiberg`s disease of lesser metatarsals and document the one and five-year functional outcomes.

Methods:

A retrospective analysis of ten patients who had Freiberg`s infraction of the lesser toe metatarsals treated with open debridement, microfracture, bone grafting and application of AMIC membrane was carried out. The patients were followed up to five years and the outcome measures were scored using The Manchester-Oxford Foot Questionnaire (MOxFQ) and Visual Analogue Pain Score (VAS), Figure 1.

Results:

The mean age was 42.7 years and follow-up time was 36.4 months. The most common site was second metatarsal, eight (80%) followed by third metatarsal, two (20%). The mean base line MOxFQ was 72.5 (95% CI- 45±100) which improved to 42.5 (95%CI- 2.5±82.5) at one year. The mean baseline VAS improved from 47.3(95%CI- 14.3±80.3) to 30.3 (95%CI- 2.1±58.5) at one year. The mean MOxFQ and VAS at five years was 7 (95%CI-0.8±13.2) and 3.6(95%CI-1.3±6.2) respectively.

Conclusion:

Open debridement of the Freiberg`s disease combined with microfracture of the defect, bone grafting and application of AMIC membrane gives good functional outcomes.
Salmonellosis outbreak associated with the consumption of food at a wedding in an urban restaurant in Kazakhstan: a retrospective cohort study
Authors: Gazezova Saya , Nabirova Dilyara , Waltenburg Michelle , Rakhimzhanova Maral , Smagul Manar , Kasabekova Lena , Horth Roberta
Published: December 2024

Background

From June 13–16, 2022, a regional epidemiological department in Kazakhstan reported an increase in acute gastroenteritis cases among people who consumed food from a wedding at a restaurant. An investigation was initiated to determine factors associated with acute intestinal infection and prevent further illness.

Methods

The investigation team conducted a retrospective cohort study among people who consumed event food. Participants were classified as a case if they were acutely ill with diarrhea, vomiting, fever, vomiting, or weakness from June 13–18. We interviewed people to collect information on demographics, symptoms, and food exposures at the event. We calculated food-specific attack rates and estimated adjusted relative risks (aRR) using multivariable Poisson regression, which was adjusted for sex, age, and foods consumed. Patient stool and gastric lavage samples, leftover food, and restaurant environmental samples were collected for bacterial culture and chemical analysis.

Results

Of the 138 participants, 66 became ill; the attack rate was 48%. The most reported symptoms were diarrhea (92%), abdominal pain (91%), and fever (89%). Symptom onset occurred between 6 h and 4 days after the event (median = 1 day). Overall, 50 (76%) cases were hospitalized; no deaths were reported. In bivariable analysis, a greater proportion of cases than non-cases ate honey cake (89% vs. 13%, p < 0.01), and 45% of cases ate leftovers compared with 11% of non-cases (p < 0.01). In multivariable analysis, honey cake was the only risk factor associated with illness (aRR = 7.8, 95% confidence interval = 3.5–20.1, p < 0.01). Honey cakes, which use raw eggs in cream layers, had been stored at room temperature for three days before the event. Salmonella enterica serovar Enteriditis (S. Enteritidis) was isolated from all patient stool samples (49/49, 100%) and honey cake samples (2/2, 100%). Staphylococcus aureus was detected in 92% (35/38) of patient gastric lavage samples.

Conclusion

S. Enteritidis was this outbreak’s most probable etiological agent based on clinical manifestations and isolation from participant and honey cake samples. The improper storage of cakes containing raw eggs was a key contributing factor. Leftover event food was discarded, and the restaurant was closed for disinfection. Future outbreaks could be prevented by increased food safety awareness.
Concurrent acute myocardial infarction and acute ischemic stroke in a diabetic patient undergoing chemotherapy for non-Hodgkin lymphoma: Should I administer thrombolytic therapy? A case report
Authors: Shayo Sigfrid Casmir , Khanbai Khuzeima , Gandye Yona , Lwakatare Flora , Kiroga Nakigunda , Waane Tatizo , Kisenge Peter
Published: December 2024

Background

Concurrent ST-elevation myocardial infarction (STEMI) and acute ischemic stroke (AIS) are extremely rare, and their management remains perplexing due to the absence of high-quality evidence and limited resources. For the first time, we report a rare, preventable, and suboptimally managed case of concurrent AIS and STEMI in a patient with non-Hodgkin lymphoma (NHL) who received cyclophosphamide, doxorubicin, vincristine, and prednisolone (CHOP) chemotherapy.

Case presentation

A 59-year-old postmenopausal woman of African origin with a background history of type 2 diabetes mellitus presented to the Jakaya Kikwete Cardiac Institute with sudden onset of left-sided weakness and typical ischemic chest pain for 3 days. The patient was recently diagnosed with NHL and started CHOP chemotherapy 3 weeks prior. Physical examination revealed left-sided hemiplegia. Emergency brain computed tomography and 12-lead echocardiography (ECG) revealed AIS and STEMI, respectively. A diagnosis of concurrent AIS and STEMI was reached, and the patient was loaded with dual antiplatelets and heparin and rushed for emergency coronary angiography (GAG) and percutaneous coronary intervention (PCI). CAG revealed massive thrombotic occlusion of the mid-segment of the left anterior descending coronary artery (mLAD) and proximal segment of the right coronary artery. Revascularization was achieved in both vessels with a resultant TIMI flow grade of 3. The post-PCI period was marked by significant improvement in chest pain and resolution of ST-elevation, as revealed by 12-lead ECG. However, the patient remained hemiplegic.

Conclusion

We have described a rare case of concurrent AIS and STEMI in a postmenopausal woman who had a significant risk of thromboembolism. The patient had uncontrolled type 2 diabetes and received CHOP chemotherapy for NHL, which was diagnosed 3 weeks prior. This case underscores the need for thromboembolic prophylaxis for selected cancer patients receiving chemotherapy. The need to individualize management is also emphasized, as both PCI and thrombolysis carry the risk of serious repercussions. In our patient, if thrombolysis was attempted it would have caused myocardial rupture and immediate death. The patient would have benefited from endovascular mechanical embolectomy for AIS; however, this practice is lacking at our institution. This calls for the establishment and strengthening of neurointerventional practices in our tertiary healthcare facilities.
MOLYBDENUM AND COPPER IN THE SOYBEAN FERTILIZER SYSTEM
Authors: Voronkova Natalia A. , Balabanova Natalia F. , Volkova Viktoria A. , Tukmacheva Elena V.
Published: December 2024

Background. In modern agriculture, the improvement of zonal technology for cultivating crops, including soybeans, taking into account new knowledge in the field of agrochemistry is of urgent importance.
Purpose. To study the effect of presowing treatment of seeds with molybdenum and copper on the yield and quality of soybean seeds.
Materials and methods. The research was carried out in 2022-2023 on the experimental field of the Laboratory of agrochemistry of the Omsk Agricultural Research Center in a long-term stationary experiment based on grain-steam crop rotation. Two–factor experience: factor A - fertilizer application options: 1) without fertilizers; 2) pre-sowing seed treatment (POS) with ammonium molybdate (Mo); 3) POS Mo + Cu; 4) POS Mo + inoculation of seeds with Rhizotorphin; 5) POS Mo + Cu + inoculation. Factor B is the main application of mineral fertilizers: 1) Without fertilizers (background 0); 2) fertilization (background N30P30). The soil of the experimental site is meadow-chernozem medium-humus medium-thick heavy loamy, the content of mobile phosphorus is average, exchangeable potassium is high (according to Chirikov), the availability of available forms of molybdenum is average, copper is low. The photosynthetic productivity of crops and the symbiotic ability of soybean plants, as well as the protein and fat content in seeds, and crop productivity were empirically determined depending on the factors studied.
Results. It was found that the maximum yield of soybeans was obtained by sowing it with seeds treated with risotrophin (strain 835) and molybdenum against the background of N30P30 application – 2.75 t/ha. Pre-sowing treatment of seeds with molybdenum has a significant effect on the photosynthetic productivity of crops (FPP), the foliage of plants increased by 30%. Intensification of leaf surface growth was determined by crop productivity, the dependence of yield on area and FPP was described by a polynomial dependence equation with a close correlation of features (r=0.74). For the conditions of the southern forest–steppe of Western Siberia, it was revealed that the maximum limit of the leaf area is 45 m2 thousand/ha, further increase in the leaf surface led to a decrease in crop productivity. The use of Rhizotorphin, even in the presence of spontaneous symbiotic microflora in the soil, is quite effective. The weight and number of nodules on soybean roots increased by 24; 41%, respectively.
Conclusion. Studies have shown that when cultivating soybeans in the meadow-chernozem soil of the forest-steppe zone of the Omsk Irtysh region, sowing it with treated seeds with molybdenum and Rhizotorphin in combination with the main application of macro fertilizers is most effective.
STUDY OF CORN AGROCENOSES IN MIXED CROPS ON GRAY FOREST SOILS OF KAMA REGION OF THE REPUBLIC OF TATARSTAN
Authors: Mikhaylova Marina , Sharafieva Ilyusa , Nizamov Rustam , Minikaev Rogat , Fashutdinov Fannur
Published: December 2024

The studies were conducted to assess the productivity of mixed crops of corn with other crops in the Republic of Tatarstan. The experiment was carried out in 2022-2023 on gray forest soil with a humus content of 2.1%, mobile phosphorus ‒ 151 mg/kg, potassium ‒ 121 mg/kg. The experimental design included the following options: nutrition background (factor A) - no fertilizers, N30P30K30, N45P45K45, N60P60K60; cropping pattern (factor B) - corn (100%), corn (50%) + peas (50%), corn (50%) + soybeans (50%), corn (50%) + vetch (50%), corn (33.3%) + vetch (33.3%) + oats (33.3%), corn (50%) + sweet clover (50%). Azofoska (15:15:15) was applied as fertilizer during pre-sowing cultivation. Before sowing, the seeds were mixed according to the experimental scheme, based on the recommended rates for pure crop sowings: corn - 80 thousand pcs./ha, peas - 1.2 million pcs./ha, soybeans - 750 thousand pcs./ha, vetch - 800 thousand pcs./ha, oats - 5 million pcs./ha, sweet clover - 6 million pcs./ha. The optimal ratio of plant heights of the studied mixtures was noted in the variants corn + pea, corn + vetch and corn + vetch + oats. The highest aboveground mass in the experiment was recorded against the background of N60P60K60 in the milky ripeness phase of corn grain in mixed crops with peas - 27.80 t/ha. The highest above-ground mass of the second crop in the mixture was formed by soybeans on the backgrounds of N60P60K60 and N45P45K45 (4.60 t/ha each). The highest yield of green mass was provided by the application of N45P45K45; further increase in the fertilizer rate is impractical. The highest yield of green mass was noted in the crops of corn + vetch + oats (25.50 t/ha) and corn + soybeans (24.80 t/ha).
Management Approach to Leadership and Teachers Commitment in Secondary Schools in Kupe-Muanenguba Division, South West Region of Cameroon
Authors: Mekolle Prosper Mbelle
Published: December 2024

The effectiveness of an educational system heavily relies on teachers' commitment. In Cameroon, despite government efforts, concerns about teacher engagement persist. This study, based on Meyer and Allen’s Organisational Commitment Model, examined how leadership approaches influence teacher commitment in secondary schools in Kupe-Muanenguba Division. The research focused on democratic, transformational, and transactional leadership styles. Using a survey design with concurrent triangulation, data were collected from 248 teachers and 354 students across six government schools. Teachers completed the “Teacher Insights on Management Approach to Leadership Questionnaire” (TIMAL-Q), while students used the “Student Perception of Educator Commitment Questionnaire” (SPEC-Q). Semi-structured interviews with principals and vice principals supplemented the data. Quantitative data were analyzed using frequency counts, proportions, and Pearson Correlation, while qualitative data underwent thematic analysis. Findings revealed strong positive correlations between democratic (r=.980, p=.028) and transformational (r=.980, p=.028) leadership styles and teacher commitment, suggesting these approaches significantly enhance engagement. The transactional style also showed a positive correlation (r=.800, p=.014), though to a lesser extent. Qualitative data highlighted practices aligning with these leadership styles. The study underscores the importance of democratic and transformational leadership in fostering teacher commitment, especially in challenging environments. Recommendations include integrating these approaches to improve teacher engagement in quantitative and affective domains, leveraging transactional leadership for short-term goals, and providing targeted leadership training for school managers. This comprehensive strategy aims to boost teacher commitment and performance despite infrastructural constraints.
Finite groups whose nonnormal subgroups are of prime power order
Authors: Du Jinni
Published: December 2024

We determine completely the structure of finite groups all of whose nonnormal subgroups are of prime power order.
Hepatic hemangiomas mimicking gastrointestinal stromal tumors: A case report
Authors: Wang Ji-Ze , Chen Hao
Published: December 2024

BACKGROUND

Hepatic hemangiomas can be challenging to diagnose, particularly when they present with atypical features that mimic other conditions, such as gastrointestinal stromal tumors (GISTs). This case highlights the diagnostic difficulties encountered when imaging subepithelial lesions, especially when conventional methods such as computed tomography (CT) and endoscopic ultrasound (EUS) are used.

CASE SUMMARY

A 44-year-old woman presented with intermittent abdominal distension and heartburn for three months. Her medical history included iron deficiency anemia, menorrhagia, and previous cholecystectomy. One week prior to admission, an endoscopy suggested a bulging gastric fundus, which was likely a GIST, along with chronic nonatrophic gastritis and bile reflux. CT and EUS revealed nodules in the gastric fundus, which were initially considered benign tumors with a differential diagnosis of stromal tumor or leiomyoma. During surgery, unexpected lesions were found in the liver pressing against the gastric fundus, leading to laparoscopic liver resection. Postoperative pathology confirmed the diagnosis of hepatic cavernous hemangiomas. The patient recovered well and was discharged five days later, with normal follow-up results at three months.

CONCLUSION

This case underscores the challenges in the preoperative diagnosis of GISTs, particularly the limitations of the use of CT and EUS for the evaluation of subepithelial lesions. While CT is the primary tool for visualizing abdominal tumors, it is difficult to detect smaller lesions and assess the layers of the gastrointestinal wall on CT. EUS is recommended for the evaluation of nodules smaller than 2 cm and is useful for distinguishing GISTs from other lesions; however, its accuracy with regard to the differential diagnosis is relatively low. In this case, the gastric distension observed on imaging led to the compression of a liver tumor against the stomach, resulting in the misinterpretation of the tumor as a gastric wall lesion.
Osmanlı Devleti'nde Eşkıyalıkla Nam Salmış Bir Aile: Şehsüvarzâdeler (1683-1800)
Authors: Kiraç Alper Kağan
Published: December 2024

Bu çalışmada Erzurum eyaleti sınırları dahilinde bulunan Kuruçay’da, eşkıyalık faaliyetleriyle ön plana çıkmış olan Şehsüvarzâde ailesinin kimliği ve etkinlikleri tespit edilmeye çalışılmıştır. 18. yüzyıl, Osmanlı Devleti’nin taşra hakimiyetinde bir takım idarî aksaklıklar yaşadığı ve bunun sonucunda Rumeli ve Anadolu’da birçok nüfuzlu ailenin ortaya çıktığı bir dönemdir. “Âyanlar Çağı” adı verilen bu yüzyılda, zaman içerisinde bulundukları bölgelerde mali, askerî ve idarî konularda ön plana çıkan şahıslar hakimiyetlerini oğulları ve akrabaları vasıtasıyla uzun yıllar koruyabilmiştir. Bu bağlamda Şehsüvarzâde ailesi de “âyan” olarak anılmasa da Kuruçay’da zamanla nüfuz kazanan güçlü bir aile olarak karşımıza çıkmaktadır. Şehsüvarzâde ailesi hakkında daha önce kaleme alınan kapsamlı bir eser bulunmadığı için ortaya çıkarılan bulgular büyük ölçüde arşiv belgelerine dayanmaktadır. Fakat incelenen belgeler özellikle akrabalık bilgileri açısından çelişki taşıdığından dolayı sentezlenmiş ve ortaya en doğru bilgiler sunulmaya çalışılmıştır. Ayrıca yapılan araştırmalar doğrultusunda Şehsüvarzâde ailesinin köken meselesi tartışılmış, Kuruçay’daki faaliyetleri tespit edilmiş ve en uygun aile şeceresi ortaya konulmuştur.
Messerschmidt’in Tasnifi ve Dijital Anıt Sayaç Üzerinden Türkiye’de 2024 Yılı Kadın Cinayetleri
Authors: Beşe Gurur Gülce
Published: December 2024

Bu çalışmada hegemonik erkeklik ve erkeklik krizi bağlamında Messerschmidt tasnifinden yararlanarak Türkiye’de 2024 yılının ilk yarısında gerçekleşen kadın cinayetleri analiz edilmiştir. Hegemonik erkeklik, erkekliğin sabit olmadığını, iktidar ilişkilerine dayalı olduğunu vurgulayan; erkeklik krizi ise hegemonik erkekliğin kendi içindeki rekabete dayalı olarak yaşadığı itibar kaybının bedelini, kendinden aşağı gördüğü diğerlerine güç uygulayarak telafi etme çabasından bahseden yaklaşımdır. Bu çalışmanın amacı, Messerschmidt’in yakın partner cinayeti ve namus cinayeti tasniflemesi çerçevesinde kadın cinayeti ile cinayet arasındaki farkı iktidar ilişkilerinin varlığı olarak ifade ettikten sonra sadece cinsiyete bakıp iktidar ilişkilerini değerlendirmeye almayan bakışın ürettiği “erkekler daha çok öldürülüyor” argümanını ve öldürülen her kadının kadın cinayeti kurbanı olduğu söylemini eleştirmektir. Çalışmada manifest kodlama tekniği ile içerik analizi yöntemi benimsenmiş olup Krippendorf’un yöntemle ilgili bahsettiği sorulara cevap verilmiştir. Dijital Anıt Sayaç aracılığıyla elde edilen 2024 yılının ilk yarısına ait kadın ölümleri, bağlantılar üzerinden haber kaynağına erişmek suretiyle “maktul ile yakınlık” ve “cinayet sebebi” gibi başlıklar altında tasniflenerek analiz edilmiştir.
“ŞİDDET FAİLİ” ERKEKLERİN ANLATILARINDA 6284 SAYILI KANUN VE UYGULAMALARINA YÖNELİK TANIMLAMALAR
Authors: Tunçay Hale Nur , Demez Gönül
Published: December 2024

Şiddet uygulayıcısı ve mağduru olan hem erkeğin hem de kadının yaşam öykülerinin, perspektiflerinin anlaşılması şiddetin önlenmesi bakımından önemlidir. Bu araştırmanın amacı, erkeklerin kadına yönelik şiddet konusuna yaklaşımları, 6284 sayılı Ailenin Korunması ve Kadına Karşı Şiddetin Önlenmesine Dair Kanun kapsamında yer alan ve şiddetin önlenmesi için uygulanan önleyici ve koruyucu tedbir kararları hakkında ne düşündükleri, şiddetin önlenmesine yönelik çözüm önerilerinin neler olduğunun irdelenmesidir. Bu kapsamda, aleyhinde söz konusu Kanun kapsamında önleyici tedbir kararı alınan 37 erkekle yüz yüze derinlemesine görüşmeler gerçekleştirilmiş ve verilerin analizi NVivo 12 Plus programında gerçekleştirilmiştir. Sonuçta, erkeklerin şiddet uygulama konusunda çoğunlukla kendilerini haklı buldukları, kadınların kendi sorumluluklarını yerine getirmeleri gerektiğini düşündükleri ve Kanun uygulamalarını adalete aykırı ve eşitliksiz olarak nitelendirdikleri görülmüştür. Dolayısıyla, aile ilişkilerinde ataerkil kalıplara uygun gücün ve iktidarın devamlılığına ilişkin tehdit algısı sonucu şiddet bir güç gösterisine dönüşebilmektedir. Görüşmelerden hareketle erkeklerin geleneksel erkeklik kalıplarının yarattığı gerilimi şiddeti meşrulaştırmak için kullandıkları söylenebilir. Şiddet uygulayanın yapısal ve kurumsal yaptırımlara ilişkin algılarının ve söylemlerinin analizi sorunun çözümü için gerekli sosyal politikalar üretilmesine kaynaklık ederek, kadın erkek fırsat eşitliğine giden yolda ve şiddeti önlemede yol gösterici olacaktır.
Local Cultural Values in Income Accounting: A Study of Gorontalo Carriage Drivers
Authors: Thalib Mohamad Anwar
Published: December 2024

Purpose: This study aims to construct income accounting practices that integrate the local cultural values of the Gorontalo community. It addresses the need to preserve and incorporate cultural and spiritual dimensions into accounting frameworks, emphasizing the significance of cultural heritage in shaping accounting practices.
Methodology: The research adopts a spiritual (Islamic) paradigm and employs an Islamic ethnomethodological approach. Data analysis is conducted in five stages: charity, knowledge, faith, revelation information, and courtesy.
Findings: The study reveals that Gorontalo carriage drivers utilize a leasing system for income generation, guided by local wisdom. The principle of gratitude is central to this system, reflecting the cultural adage diila o'onto, bo wolu-woluwo, which underscores the balance between visible and invisible pursuits in life. This demonstrates that their accounting practices transcend material calculations, integrating cultural and religious values. 
Novelty: This research introduces a novel accounting concept that merges local cultural values and spirituality into practical accounting frameworks. It highlights the importance of cultural preservation in accounting and offers a new perspective for exploring the interplay between local wisdom and financial systems.
Chemistry of organoelement compounds in Chelyabinsk
Authors:   South Ural State University, Sharutin V.
Published: December 2024

The review presents the scientific achievements of the Chelyabinsk School of Organoelement Chemists from 2011 to the present.
Reactions of pentaphenylantimony with 1,2,3,4-tetrahydroacridine-9-carboxylic and coumarin-3-carboxylic acids
Authors:   South Ural State University, Chelyabinsk, Russia, Sharutin V. , Sharutina O. , Zubareva V. , Russkikh A. ,   Kuban State University, Krasnodar, Russia, Kulyasov A. , Dotsenko V.
Published: December 2024

Pentaphenylantimony reacts with 1,2,3,4-tetrahydroacridine-9-carboxylic and coumarin-3-carboxylic acids in benzene at room temperature to form tetraphenylantimony carboxylates Ph4SbOC(O)R, R = C13H12N (1), C9H5O2 (2), the structure of which has been determined by X-ray diffraction analysis (XRD). According to the X-ray diffraction data, the antimony atoms in molecules 1 and 2 have a distorted trigonal bipyramidal coordination with three phenyl substituents in the equatorial plane, the CSbO axial angles are 175.85(7) and 177.6(6), the sum of the angles between equatorial bonds are 356.31(8) and 356.5(6). The SbC equatorial bonds (2.112(2)–2.125(2) Å for 1 and 2.128(16)–2.131(16) Å for 2 are shorter than the axial ones (2.174(2) Å for 1 and 2.224(12) Å for 2. The SbO bond lengths (2.2793(18) Å in 1 and 2.204(13) Å in 2) exceed the sum of the covalent radii of antimony and oxygen atoms. It has been established that the geometric characteristics of the free coumarin-3-carboxylic acid molecule (3) and the acid residue included in complex 2 differ significantly. The X-ray diffraction data: a D8 Quest diffractometer from Bruker (MoKα radiation, λ = 0.71073 Å, graphite monochromator, at 293(2) K. [(1) C38H32NO2Sb, M = 656.40; monoclinic system, space group Р21/c; crystal size 0.480.230.18 mm; cell parameters: a = 9.063(4) Å, b = 15.911(8) Å,
c = 21.495(11) Å; β = 94.719(16), V = 3089(3) Å3, Z = 4; calc = 1.411 g/cm3;  = 0.927 mm–1;
F(000) = 1336.0; collection region for 2q: 5.66–62.12; –13 ≤ h ≤ 10, –23 ≤ k ≤ 23, –31 ≤ l ≤ 31; total reflections 146090; independent reflections 9883 (Rint = 0.0591); GOOF = 1.052; R-factor is 0.0338; (2) C34H24O4Sb, M = 619.29; triclinic system, space group P–1; crystal size 0.610.420.29 mm; cell parameters: a = 9.533(4) Å, b = 10.560(4) Å, c = 16.397(6) Å;  = 97.431(13), β = 98.49(2),  = 108.962(12), V = 1516.1(9) Å3, Z = 2; calc = 1.357 g/cm3;  = 0.944 mm–1; F(000) = 624.0; collection region at 2q: 5.7–55.64; –12 ≤ h ≤ 12, –13 ≤ k ≤ 13, –21 ≤ l ≤ 21; total reflections 19837; independent reflections 12162 (Rint = 0.0707); GOOF = 1.087; R-factor is 0.0543; (3) 3 C10H6O4,
M = 190.15; monoclinic system, space group Р21/n; crystal size 0.11  0.24  0.29 mm; cell parameters: a = 11.390(6) Å, b = 5.534(3) Å, c = 13.890(8) Å;  = 90.00, β = 106.33(3),  = 90.00, V = 840.1(7) Å3, Z = 4; calc = 1.503 g/cm3;  = 0.118 mm –1; F(000) = 392.0; collection region at 2q: 6.12–55.04;
–14 ≤ h ≤ 14,7 ≤ k ≤ 7, –18 ≤ l ≤ 17; total reflections 23991; independent reflections 1917 (Rint = 0.0263); GOOF = 1.072; R-factor is 0.0406].
The effect of the synthesis conditions of yttrium oxide powder doped with neodymium on morphology
Authors:   Russian Federal Nuclear Center – Allrussian Researching Institute of Technical Physics named after Academ. E.I. Zababakhin, Snezhinsk, Russia, Borisov V. , Lysenko O. , Kolesova T. , Tolmacheva I. , Kononova R. , Serikov A.
Published: December 2024

The dependence of shape and particle size of Nd-doped yttrium oxide powder on the synthesis method was investigated, covering homogeneous and heterogeneous co-precipitation. For the homogeneous co-precipitation method, the dependence of shape and particle size of Nd-doped yttrium oxide powder on the concentration of the initial salts in a solution, the ratio of concentrations of yttrium ions to the precipitator in the solution, the aging time of the precipitate during synthesis, and synthesis temperatures were investigated. It was found that for homogeneous co-precipitation the particle shape did not change during the transition from the precursor to synthesized yttrium oxide: spherical particles were formed. The nature of the precursor was established by infrared spectrometry and X-ray fluorescence analysis. The precursor was X-ray amorphous, of bicarbonate nature. The particle size decreased by 10–20% during the transition from the precursor to the synthesized yttrium oxide.
For the heterogeneous co-precipitation method, the dependence of shape and particle size on precipitator nature (ammonia solution and ammonium bicarbonate solution) were investigated. Besides, the effect of the concentration of the initial salts and the synthesis temperature on the shape and particle size) was studied. It was found that for heterogeneous co-precipitation, regardless of the precipitator nature, the particle shape did not change after conversion from the precursor to the synthesized yttrium oxide. Needle-shaped particles collected in agglomerates were obtained with ammonia as the precipitator. Plate-shaped particles were obtained with a solution of ammonium bicarbonate as the precipitator. The precursor nature was established by infrared spectrometry and X-ray phase analysis. The precursor was X-ray amorphous, of bicarbonate nature, if a solution of ammonium bicarbonate was used as the precipitator. The precursor was a mixture of hydrates of yttrium oxohydroxonitrates, if ammonia was used as the precipitator. The particle size obtained by the co-precipitation method with ammonia as precipitator did not change during the conversion from the precursor to the synthesized yttrium oxide, while the particle size obtained by the co-precipitation method with ammonium bicarbonate as precipitator decreased by 2 times.
Structure of triarylantimony dioximates and assessment of the metal atom coordination sphere occupation degree
Authors:   South Ural State University, Chelyabinsk, Russia, Efremov A. , Sharutina O. , Sharutin V.
Published: December 2024

On the basis of the X-ray diffraction analysis data for a number of triarylantimony dioximates Ar3Sb(ON=CHR)2, comparative description of their molecular structures and evaluation of structural features have been carried out. In the triarylantimony dioximate molecules, the Sb···N intramolecular contacts are observed (2.728(4)–2.900(6) Å), which are sometimes smaller by approximately 1 Å than the sum of the van der Waals radii of the partner atoms (3.61 Å). The shortened Sb···N distance is not accompanied by the expected lengthening of the N–O bonds in the iminoxy group and does not depend on the Sb–O bond lengths. However, the shortening of the Sb···N distances correlates with a decrease in the NOSb bond angle. In structures, containing methoxy groups in aryl ligands at the antimony atom, the intramolecular interactions of the Sb···OMe type are observed. In triarylantimony dioximates, containing different aryl ligands at the antimony atom, but identical oximate ligands, no dependences of the [SbO2C3] coordination unit geometric parameters on the nature of aryl ligands are observed, but in some structures there is a regular elongation of the Sb···N intramolecular distances. For the first time in the Solid-G program for triarylantimony dioximates, the quantitative assessment of the antimony atom coordination sphere occupation degree in the model of ligand solid angles (G-parameter) has been carried out, taking into account the molecular geometry in the crystalline state according to the X-ray diffraction analysis results, which amounts to 80.19–85.70%. The maximum coordination sphere occupation (90.93%) occurs in the structure where the Sb···OMe intramolecular interactions are observed. In bis(μ3-2-oxybenzaldoximato-O,O',N)-(μ2-oxo)-tetraaryl)disantimony, where the 2-hydroxybenzaldoximate ligand is tridentate, it is a bridging one, while the antimony atoms are hexacoordinated, the coordination sphere occupation degree exceeds 90%.
On the interaction of 6-fluoro-3-hydroxypyrazine-2-carboxamide (favipiravir) with arynes
Authors:   Ural State Medical University, Yekaterinburg, Russia, Zavyalova V. , Slovesnova N. , Petrova V. ,   Ural Federal University, Yekaterinburg, Russia, Petrov A. , Vatolina S. , Krinochkin A. ,   I.Ya. Postovsky Insititute of Organic Synthesis of UB of the RAS, Yekaterinburg, Russia, Kovalev I. , Shabunina O. ,   Sirius University of Science and Technology, Sirius Federal Territory, Russia, Kopchuk D. , Zyryanov G.
Published: December 2024

6-Fluoro-3-hydroxypyrazine-2-carboxamide (favipiravir) was one of the drugs recommended for the treatment of COVID-19. As with other drugs, the issue of disposal of expired medicinal substances is relevant for favipiravir. In the present study we investigated a method for possible chemical utiliza-tion of favipiravir by its reaction with arynes (1,2-dehydrobenzenes) to form isoquinolines, usable in practice.
The effect of surfactants on the complexation of titanium (IV) with bromopyrogallol red
Authors:   Chelyabinsk State University, Chelyabinsk, Russia, Khudauberdina D. , Nazyrova A. ,   Federal centre for animal health, Chelyabinsk, Russia
Published: December 2024

The article presents the investigation results of the effect of nonionic surfactants on the complexation of titanium (IV) with bromopyrogallol red (BPR), a triphenylmethane dye. The optimal formation conditions, properties of complexes, and the effect of various organic solvents on the complexation have also been studied. The absorption spectra and kinetics of the complex formation reaction have been studied for compositions such as BPR-surfactant and Ti-BPR-surfactant. The substances OP-7 and OP-10, which differ by length of oxyethylene chain, have been selected as nonionic surfactants. An increase in the concentration of surfactants does not lead to bathochromic or hypsochromic shifts in the absorption spectra; however, when the concentration of OP-7 reaches 0.07% or OP-10 is up to 0.008%, the the solution absorbance increases. For kinetic dependences, it has been found that in the absence of surfactants the resulting complex does not stabilize for two hours, while with an increase in the concentration of OP-7, the complex forms within 16 minutes and remains stable for a long time. In the presence of OP-10, the complex also stabilizes in 16 minutes and remains stable for an hour at the concentration of 0.008%, with a further increase in concentration, the complex collapses and its absorbance decreases. The presence of organic solvents in the reaction mixture, in particular acetone, practically does not affect the absorbance of the organic reagent solution in any way, but hypochro-mically affects the resulting complex with titanium, which may indicate the penetration of acetone in-to the inner coordination sphere and the destruction of the metal compound with the organic reagent, which is also indicated by precipitation, if the acetone concentration reaches 40%. The calibration curve of Ti-BPR-OP-10 is linear in the concentration range from 0.4×10–5 to 9.6 ×10–5 M, for the Ti-BPR-OP-7 system this interval is (0.4–8.0)×10–5 M. The complexation is hindered by vanadium (V) and aluminum (III) ions. The interfering effect of these ions can be eliminated by introducing ammo-nium citrate and ascorbic acid into the system. Using experimental data and graphical methods – the slope ratio method, the molar ratio method and the isobestic point method – the stoichiometric com-position of the reagents in the complex has been established. In systems with OP-7 and OP-10, there are two forms of titanium complex with BPR: with the 1:2 ratio and, at increased BPR concentration, with the 1:4 ratio. Komar's graphical method has shown that complexes with the 1:4 ratio have the greatest stability, the stability constants for Ti-BPR-OP-10 and Ti-BPR-OP-7 systems in this case are 6×1015 and 2.5×1016, respectively.