The Relationship Between Preoperative Serum Asprosin Level and Postoperative Analgesic Consumption in Patients Undergoing Caesarean Section
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Adipokines are bioactive substances secreted from adipose tissue and have various functions on appetite, energy, lipid, carbohydrate metabolism, regulation of blood pressure, and inflammation. One of these is asprosin, discovered in 2016, which is secreted from white adipose tissue. It has been shown that the level of asprosin encoded by the Fibrillin 1 gene can vary in metabolic syndrome associated with obesity, diabetes, and insulin resistance . Some adipokines such as leptin, adiponectin, or resistin are found in increasing levels in the blood and placenta as pregnancy progresses. The detection of high concentrations of adipokines in cord blood has shown that they play an important role in fetal development and metabolism, can interfere with placental development, and affect pregnancy outcomes and fetal growth. Adipokines associated with appetite, energy, lipid, and carbohydrate metabolism have been shown to be effective in modulating pain in recent years. High levels of leptin have been shown to be associated with decreased preoperative pain threshold and increased postoperative analgesic consumption. Recent studies have indicated that asprosin also exhibits analgesic effects in neuropathic pain models and may have clinical benefits in alleviating chronic pain associated with diseases and injuries originating from peripheral structures.

It is known that one of the most important factors affecting mothers&amp;#39; approach to anesthesia technique in Cesarean section is their fear of intraoperative and postoperative pain. Almost one in five patients experiences severe acute pain after Cesarean section. Pain can be perceived differently by patients, and even with the same anesthesia technique, some patients may experience more severe pain. Patients&amp;#39; perception of pain is influenced by many factors such as pain threshold, mood, hormonal balance, central sensitization, and genetic factors.

We hypothesized that the increased preoperative serum asprosin levels might be associated with increased acute labor pain and that asprosin levels might lead to increased analgesic use in the postoperative period. Additionally, we assumed that patients could alter their preoperative pain threshold and report higher pain scores after surgery due to hyperalgesia caused by high asprosin levels.

In this study, we aimed to investigate preoperative serum asprosin levels in patients undergoing Cesarean section with and without acute labor pain and to determine whether there is a relationship between preoperative asprosin levels and postoperative analgesic use.

Eligibility:
- EligibilityCriteria: Inclusion Criteria:  pregnant women who are scheduled for elective cesarean section and request spinal anesthesia for cesarean surgery,  Exclusion Criteria:  Being under the age of 18 Having an abnormal pregnancy with preeclampsia, eclampsia, gestational diabetes, or hypertension Having a comorbid desease, systemic diseases, cardiovascular disease Having diabetes, obesity, or infection - HealthyVolunteers: No - Gender: Female - GenderBased: Yes - GenderDescription: pregnant women - MinimumAge: 18 Years - MaximumAge: 45 Years - StdAgeList: Adult - StudyPopulation: Pregnant women who applied to the Obstetrics and Gynecology Clinic at Fırat University Hospital and were planned for elective cesarean section and requested spinal anesthesia for cesarean section will participate. - SamplingMethod: Non-Probability Sample