bluuebunny/crossref_metadata_2025_split huggingface dataset:
Enteral Nutrition Support in Acute Pancreatitis
Authors: Erstad Brian L 
Published: June 2003

OBJECTIVE: To review the controversies surrounding the use of nutritional interventions, particularly enteral support, in patients with acute pancreatitis. DATA SOURCES: Articles were obtained through a MEDLINE search (1966–June 1999). Additionally, several textbooks containing information on the diagnosis and management of acute pancreatitis were reviewed. The bibliographies of retrieved publications and textbooks were reviewed for additional references. STUDY SELECTION: All original investigations in humans pertaining to the use of enteral nutritional support in acute pancreatitis were reviewed for inclusion. Studies that investigated parenteral nutrition in acute pancreatitis were also reviewed, with preference given to controlled comparisons with enteral regimens or no nutritional support. DATA EXTRACTION: The primary outcomes extracted from the literature were time to oral feeding tolerance, complications (e.g., infection) associated with nutritional support, and length of stay. DATA SYNTHESIS: The duration of pancreatitis and time to oral feedings is similar whether patients receive enteral (i.e., jejunal tube feedings) or parenteral nutrition. Additionally, complications, length of stay, and costs are either similar or decreased with enteral versus parenteral nutrition. CONCLUSIONS: Current evidence suggests that the enteral rather than parenteral route should be used to provide nutrition to patients with acute pancreatitis. Parenteral nutrition should be reserved for patients in whom nasojejunal feeding is not possible.
Use of rhDNase Therapy and Costs of Respiratory-Related Care in Patients with Cystic Fibrosis
Authors: Ollendorf Daniel A , McGarry Lisa J , Watrous Marc L , Oster Gerry 
Published: June 2003

OBJECTIVE: To assess the relationship between level of use of recombinant deoxyribonuclease I (rhDNase) therapy and costs of respiratory-related care in patients with cystic fibrosis. DESIGN: Retrospective, cohort study using healthcare claims data from a large New England health insurer. PATIENTS: All cystic fibrosis patients five years of age and older who began therapy with rhDNase in 1994 (the year it was first marketed in the US). Healthcare claims were compiled for six months prior to first receipt of rhDNase (pretreatment) and for 30 months subsequently (follow-up). Patients were stratified according to their level of rhDNase use during follow-up, based on whether it was above or below the median number of therapy days for the sample. MAIN OUTCOME MEASURES: Costs of rhDNase, all antibiotics, and all respiratory-related outpatient (physician, home health, hospital outpatient) and inpatient care were included. All costs were expressed on an annualized basis. RESULTS: Twenty-four patients with cystic fibrosis who began treatment with rhDNase in 1994 met all entry criteria; the median number of therapy days over a 30-month period was 355. Among patients with low (i.e., below the median) rhDNase use (n = 12), mean ± SD annualized costs of respiratory-related care increased by almost $17000 between pretreatment and follow-up, from $29251 ± $37919 to $46109 ± $40944. Among high-use patients (n = 12), costs decreased by approximately $2500, from $37178 ± $48476 to $34592 ± $22591. The change in both groups was accounted for primarily by a change in the number of respiratory-related hospitalizations. CONCLUSIONS: Prolonged use of rhDNase may reduce costs of respiratory-related care in patients with cystic fibrosis; further study is required, however, to confirm these findings.
Possible Hypothyroidism Associated with Quetiapine
Authors: Feret Brett M , Caley Charles F 
Published: June 2003

OBJECTIVE: To report a case of hypothyroidism occurring after the addition of quetiapine to an existing drug regimen. CASE SUMMARY: A 46-year-old African-American woman diagnosed with schizoaffective disorder, bipolar type, and a four-year history of successfully treated hyperthyroidism, was suboptimally responsive to olanzapine treatment. Transition from olanzapine to quetiapine was initiated and, approximately two months after adding quetiapine to a standing pharmacotherapeutic regimen, the patient developed an elevated thyroid-stimulating hormone (TSH) concentration of 8.45 μU/L. A diagnosis of hypothyroidism was subsequently made, treatment with levothyroxine was initiated, and the patient's thyroid function became stable. DISCUSSION: Drug-induced hypothyroidism is known to occur with several medications. Quetiapine is an atypical antipsychotic with the potential to decrease thyroid hormone concentrations in some patients; this effect may be dose related. Despite this known adverse effect, the manufacturer of quetiapine reports that elevated TSH concentrations and subsequent treatment with thyroid hormone supplementation have occurred only rarely. We report the development of hypothyroidism in a patient who had previously received successful radioactive iodine treatment for hyperthyroidism in 1994, but who had no detected thyroid abnormalities until treatment with quetiapine was started four years later. CONCLUSIONS: Patients with compromised thyroid function who receive treatment with quetiapine may develop hypothyroidism. Appropriate care for these patients may include an increased awareness of possible hypothyroidism and consideration of thyroid function monitoring.
Performance of Three Blood Glucose Meters
Authors: Rheney Catherine C , Kirk Julienne K 
Published: June 2003

OBJECTIVE: To evaluate the performance of three blood glucose meters. METHODS: The One Touch II (LifeScan, Milpitas, CA), Glucometer Elite (Bayer, Elkhart, IN), and Accu-Chek Advantage (Boehringer Mannheim, Indianapolis, IN) were compared with a reference laboratory method (Technicon Chem System, Tarrytown, NY). Blood glucose meters used in this study were validated by a clinically oriented approach known as the error grid analysis (EGA), for which the performance of the meters was compared to a laboratory standard, and by the criteria of the American Diabetes Association (ADA). Limits of agreement were evaluated using differences from the reference laboratory method and 95% CIs. Capillary blood was obtained from study participants in fasting state with the morning blood draw and tested on the three meters simultaneously. RESULTS: A total of 120 blood glucose meter readings were analyzed; values ranged from 62 to 396 mg/dL. For all three meters, at least 75% of the capillary blood glucose values fell into zone A (acceptable) of the EGA. The number of values falling into zone B (unacceptable) were 10, 8, and 6 for the Accu-Chek Advantage, the One Touch II, and the Glucometer Elite, respectively. Only 15–25% of the meter glucose readings met the ADA criteria of being within 5% of the laboratory standard. The mean difference from the reference values was least with the Glucometer Elite. CONCLUSIONS: The majority of blood glucose determinations obtained on the meters used in this study were within the acceptable limits using the EGA. The Glucometer Elite meter had the fewest values in the unacceptable range and had the least mean difference from reference laboratory values.
Anthropometric and Pharmacotherapeutic Variables on Acute Emesis Induced by Cisplatin-Containing Chemotherapy
Authors: Arlandis José Luis Catalán , Torres N Víctor Jiménez 
Published: June 2003

OBJECTIVE: To characterize the effects of anthropometric and pharmacotherapeutic variables on acute emesis induced by cisplatin-containing regimens with dosages ·50 mg·m−2. METHODS: A prospective, cross-sectional, noncontrolled study was performed to analyze acute vomiting during the first 24 hours in patients treated in a Spanish hospital. The patients received an intravenous combination of drugs (2 doses of metoclopramide 3 mg/kg, dexamethasone 20 mg) as first-choice antiemetic therapy. Intravenous ondansetron 8 mg and dexamethasone 20 mg served as an alternative regimen in patients <30 years old with a history of extrapyramidal manifestations or emesis in previous cycles. Therapeutic failure was used as a dependent variable, defined as three or more vomiting episodes documented by the patients. Other variables were the chemotherapeutic regimen; antiemetic regimen; patient gender, age, weight, and height; and cycle number. The reference logistic model and two reduced-models derived from the latter were designed. The logistic models were subsequently validated by means of receiving operating characteristic curves. RESULTS: A total of 319 cycles involving 106 patients were studied. The metoclopramide regimen was administered in 66% of the cycles. The therapeutic failure rate was 21% for the metoclopramide regimen and 32% for the ondansetron treatment. The logistic model developed identified the type of chemotherapeutic regimen provided as the most significant prognostic variable (p < 0.0001). Patient weight (odds ratio 1.64) and height (odds ratio 1.28) were identified as prognostic factors related with therapeutic failure. CONCLUSIONS: The type of chemotherapeutic regimen administered and the anthropometric characteristics of the patients exert a clear conditioning effect on risks associated with therapeutic failure against acute emesis following high-dose cisplatin therapy. Such anthropometric parameters have not been previously identified as prognostic factors.
Outpatient Carboplatin Desensitization in a Pediatric Patient with Bilateral Optic Glioma
Authors: Sims-McCallum Rosalyn P 
Published: June 2003

OBJECTIVE: To report a case of successful outpatient carboplatin desensitization in a pediatric patient with bilateral optic glioma. CASE SUMMARY: A 10-year-old white girl with bilateral optic glioma developed a hypersensitivity reaction to carboplatin after nine courses. She had received 18 courses six years earlier without incident. A desensitization regimen was administered, and she has tolerated all subsequent courses of carboplatin therapy. DISCUSSION: Carboplatin is an important chemotherapeutic agent in the treatment of a variety of pediatric brain tumors. It is usually given in an outpatient setting. Hypersensitivity to this agent appears to develop after frequent exposure such as with the once-weekly regimens often used to treat brain tumors in pediatric patients. CONCLUSIONS: Carboplatin desensitization can be successfully performed on an outpatient basis with close observation and cardiorespiratory monitoring. This regimen could prove useful for other patients who develop hypersensitivity reactions to carboplatin and allow therapy to continue.
Epididymo-Orchitis following Intravesical Bacillus Calmette–Guérin Therapy
Authors: Menke Jennifer J , Heins Jodi R 
Published: June 2003

OBJECTIVE: To describe a case of epididymo-orchitis that developed four years after treatment with intravesical bacillus Calmette–Guérin (BCG) and to review the incidence of this adverse effect. DATA SOURCES: Information about the patient was obtained from the medical chart. A MEDLINE search of English-language literature (from January 1976 to April 1999) was conducted. STUDY SELECTION: All case reports of BCG-related epididymo-orchitis were evaluated. Review articles describing complications of BCG therapy for bladder cancer and the prevention and treatment of these complications were reviewed. DATA EXTRACTION: Studies were evaluated for reports of BCG-related epididymo-orchitis and its treatment. DATA SYNTHESIS: Our case report is compared with others reported in the literature. The incidence of BCG-associated epididymo-orchitis is rare. CONCLUSIONS: Epididymo-orchitis should be considered as a late complication of BCG therapy for bladder cancer. Proper patient selection may help decrease the risk of complications from BCG therapy.
Pharmacists' Understanding of Patient Education on Metered-Dose Inhaler Technique
Authors: Erickson Steven R , Landino Heather M , Zarowitz Barbara J , Kirking Duane M 
Published: June 2003

OBJECTIVE: To assess pharmacists' attitudes, beliefs, and knowledge about assessing and educating patients regarding metered-dose inhaler (MDI) technique; to determine frequency of MDI assessment and teaching behavior; and to assess the effect of an asthma pharmaceutical care educational program on the same variables six months later. DESIGN: Questionnaire completed before and six months after the educational intervention. SETTING: Pharmacies based in clinics owned by a healthcare system located in communities of a large metropolitan area. MAIN OUTCOMES MEASURES: Pharmacists' self-reported frequency of assessment and education; attitudes and beliefs about assessing and educating patients using MDIs; and knowledge of MDI technique. RESULTS: The survey response rate was 53.7% (n = 39) for baseline and 43% (n = 32) for follow-up. Most pharmacists (85.4% at baseline, 87.5% at follow-up; p = 0.79) indicated that they educate patients receiving new MDI prescriptions. In addition, 47.4% at baseline and 68.8% at follow-up indicated they educate patients using inhalers for three months (p = 0.07). Only 21.1% at baseline and 18.8% at follow-up (p = 0.81) indicated that they follow up with long-term users. The mean ± SD MDI technique knowledge score (steps correct out of 9 possible) at baseline was 7.2 ± 1.1 and 7.5 ± 1.3 at follow-up (p = 0.29). Significant changes in level of agreement with some beliefs/attitudes were observed, including the importance of frequently assessing/educating patients, confidence and comfort when assessing/educating patients, and that assessing/educating patients is not the role of only the physician. Respondents continued to acknowledge that MDI education and assessment are important to improving and maintaining control of disease. However, the respondents thought that barriers exist that inhibit this activity, such as not enough time for education and assessment. CONCLUSIONS: Pharmacists reported they frequently educate patients and assess MDI technique for new prescriptions but not very often for patients recently started, as well as for long-term users. Six months after an educational program, attitudes and beliefs toward this activity were either not changed or, in some, improved. Pharmacists perceive that there is not enough time to assess and educate patients who use MDIs.
Hyperventilation Associated with Quetiapine
Authors: Shelton Penny S , Barnett Faith L , Krick Stacie E 
Published: June 2003

OBJECTIVE: To describe a case of hyperventilation associated with the administration of quetiapine. CASE SUMMARY: A 69-year-old African-American woman admitted to a psychiatric hospital for treatment of major depression with psychotic features was treated and successfully discharged with quetiapine, along with metronidazole and miconazole to treat bacterial/monilial vaginitis. Three days after discharge, the patient presented to a community hospital with shortness of breath and hyperventilation. The patient was admitted and treated for tachypnea and acute respiratory alkalosis. During this hospitalization, the patient was noted to have increased respiratory rate following the administration of quetiapine. DISCUSSION: Hyperventilation was reported during the clinical trials of quetiapine; however, this is the first published report to date. Serotonin is involved both centrally and peripherally in the regulation of respiration. A contributing factor in this case may have been the concomitant administration of metronidazole, which inhibits the cytochrome P450 enzyme (CYP3A4) also responsible for the metabolism of quetiapine. CONCLUSIONS: The development of hyperventilation and respiratory alkalosis was associated with the administration of quetiapine.
The Role of Carnitine Supplementation during Valproic Acid Therapy
Authors: Raskind Jackie Y , El-Chaar Gladys M 
Published: June 2003

OBJECTIVE: To review the pathophysiology and significance of valproic acid–induced carnitine deficiency; to present and evaluate the literature pertaining to carnitine supplementation in pediatric patients receiving valproic acid; and to present the consensus guidelines for carnitine supplementation during valproic acid therapy. DATA SOURCES: A MEDLINE search (1966–December 1998) restricted to English-language literature, using MeSH headings of carnitine and valproic acid, was conducted to identify clinically relevant articles. Selected articles and references focusing on the pediatric population were included for review. DATA EXTRACTION: Study design, patient population, methods, and clinical outcomes were evaluated. DATA SYNTHESIS: Valproic acid, a widely used antiepileptic agent in the pediatric population, is limited by a 1/800 incidence of fatal hepatotoxicity in children under the age of two years. Carnitine is an essential amino acid necessary in β-oxidation of fatty acids and energy production in cellular mitochondria. It has been hypothesized that valproic acid may induce a carnitine deficiency in children and cause nonspecific symptoms of deficiency, hepatotoxicity, and hyperammonemia. Relevant published case reports and trials studying this relationship are evaluated, and a consensus statement by the Pediatric Neurology Advisory Committee is reviewed. CONCLUSIONS: Despite the lack of prospective, randomized clinical trials documenting efficacy of carnitine supplementation in preventing valproic acid–induced hepatotoxicity, the few limited studies available have shown carnitine supplementation to result in subjective and objective improvements along with increases in carnitine serum concentrations in patients receiving valproic acid. The Pediatric Neurology Advisory Committee in 1996 provided more concrete indications on the role of carnitine in valproic acid therapy, such as valproic acid overdose and valproic acid–induced hepatotoxicity. Carnitine was strongly recommended for children at risk of developing a carnitine deficiency. Although carnitine has been well tolerated, future studies are needed to evaluate the efficacy of prophylactic carnitine supplementation for the prevention of hepatotoxicity.
Frequency of Cutaneous Reactions on Rechallenge with Nevirapine and Delavirdine
Authors: Gangar Mona , Arias Gabriela , O'Brien John G , Kemper Carol A 
Published: June 2003

OBJECTIVE: To determine the frequency of cutaneous reactions in a group of HIV-infected adults attending a public hospital HIV clinic who received nevirapine, delavirdine, or both, as well as the consequences of rechallenge with the same or alternative agent. DESIGN: The medical records of patients who had received either or both agents between March 1997 and July 1998 were reviewed, including 69 patients who initially received nevirapine and 20 who initially received delavirdine. Gender, ethnicity, HIV status, and plasma HIV RNA concentrations were analyzed as risk factors for the development of rash. RESULTS: The overall incidence of rash attributed to the initial use of one of these drugs was 37.1%. While rash due to delavirdine occurred more often, the rash due to nevirapine was more severe and resulted in hospitalization more frequently. There was a trend toward a higher frequency of rash in Latinos and possibly in women, but HIV status, CD4+ cell counts, and plasma HIV RNA were not risk factors for the development of rash. Drug therapy was temporarily or permanently discontinued because of rash in 19 of 69 (28%) and in five of 20 (25%) patients initially receiving nevirapine or delavirdine, respectively. Rash recurred in six of eight (75%) patients rechallenged with the same agent, and in seven of 10 (70%) who were crossed over to the alternative agent because of rash. Fever, in the absence of any apparent cause, was a significant predictor for the development of rash in patients receiving nevirapine. CONCLUSIONS: There is probably little value in attempting to retreat patients with cutaneous reactions, even with the alternative agent, except in patients with limited treatment options.
Incidence of Intravenous Site Reactions in Neurotrauma Patients Receiving Valproate or Phenytoin
Authors: Anderson Gail D , Lin Yixin , Temkin Nancy R , Fischer James H , Winn H Richard 
Published: June 2003

OBJECTIVE: To determine the incidence of intravenous site reactions to phenytoin and valproate in a large population of patients with neurotrauma. DESIGN: Retrospective chart review of two double-blind, randomized clinical trials evaluating the use of antiepileptic drugs to prevent posttraumatic seizures in patients with neurotrauma: phenytoin versus placebo (n = 390), and valproate versus phenytoin with placebo (n = 385). Information collected from the charts included the number, type, and location of intravenous lines and intravenous site events. SETTING: Tertiary care trauma and university teaching hospital. MAIN RESULTS: Intravenous site reactions occurred in 18% and 25% of patients receiving valproate or phenytoin, respectively, with the majority of events (70%) occurring in the first intravenous site. Patients received the neurosurgery study drug (NSSD) by either central or peripheral lines; all intravenous site reactions occurred in peripheral administration sites. When patients who received the drug by central line during the course of therapy were excluded, the estimated incidence of site reactions was 21% and 30% for valproate and phenytoin, respectively (p = 0.056). The time to the first event was shorter with phenytoin compared with valproate (2.0 ± 1.3 vs. 3.0 ± 1.9 d; p = 0.009). Fewer adverse events were noted with phenytoin in the phenytoin-without-valproate study than in the phenytoin-with-valproate study, with 4.3% and 8.2% of intravenous site events recorded in patients receiving placebo or phenytoin, respectively. There was no significant difference in the number of intravenous lines per patient used during NSSD drug infusion for phenytoin versus placebo or phenytoin versus valproate. CONCLUSIONS: Both intravenous phenytoin and valproate resulted in intravenous site reactions, with the loading doses responsible for the majority of the events.
Selective Prescribing of Spasmolytics
Authors: Movig Kris LL , Egberts Antoine CG , Lenderink Albert W , Leufkens Hubert GM 
Published: June 2003

BACKGROUND: Daily clinical practice often differs largely from the clinical trial setting, so extrapolation of outcomes from trial data, such as safety, effectiveness, and economic outcomes, can be deceptive. Prescribers may intend to treat a selected group of patients with new drugs; this practice could result in significant bias in assessing outcomes of these agents during their use in daily clinical practice. OBJECTIVE: To evaluate what type of patient received tolterodine compared with the spasmolytic drugs previously marketed (oxybutynin, flavoxate, emepronium). DESIGN: An observational, follow-up study. SETTING: Eighteen collaborating community pharmacies. PATIENTS: Aged ≥18 years, noninstitutionalized; initial therapy with tolterodine, oxybutynin, flavoxate, or emepronium. RESULTS: Tolterodine was often used as a second-line and even as a third-line treatment, and was prescribed to a “polluted” population in terms of concomitant psychotropic medication. Tolterodine users were 7.5 times more likely to have received another spasmolytic drug (RR 7.5, 95% CI 4.8 to 11.9). In addition, these patients more frequently used antiparkinsonian drugs (RR 4.1, 95% CI 1.6 to 10.4) as well as antipsychotic drugs (RR 2.9, 95% CI 1.4 to 6.2). There was a small difference in concomitant use of antidepressants and benzodiazepines between patients receiving tolterodine versus those taking other spasmolytic drugs. CONCLUSIONS: Tolterodine is prescribed for a population differing from that receiving previously marketed spasmolytic drugs. Selective prescribing should be recognized when evaluating new drugs in daily clinical practice. Policy makers, such as pharmacy and therapeutics committees, should consider this aspect in their formulary decisions since selective prescribing can lead to unjustified conclusions about a drug's therapeutic effects (e.g., efficacy, safety, cost-effectiveness).