Publications by authors named "Yusuf Z Colak"

Objective: Transversus abdominis plane (TAP) blocks have been reported to decrease postoperative pain and opioid use. Local anesthetics modulate the local and systemic inflammatory reaction. Our aim was to examine the effect of TAP block with bupivacaine on the anti-inflammatory response in living liver donors.

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: The most important concern regarding living donor liver transplantation is the safety of living liver donors, of which anesthesia management is an important part. Sugammadex, which has recently been used frequently for the reversal of neuromuscular blockade, is known to cause adverse effects on the coagulation profile. This study seeks to assess the impact of neostigmine and sugammadex on coagulation parameters in living liver donors following hepatectomy.

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Background: Acute kidney injury (AKI) significantly contributes to the mortality and morbidity rates among pediatric liver transplant (LT) recipients.

Objective: Our study aimed to assess the potential factors contributing to AKI in pediatric LT patients and to analyze the impact of AKI on postoperative mortality and hospitalization duration.

Materials And Methods: About 235 pediatric LT patients under the age of 18 between the years 2015 and 2021 were evaluated retrospectively.

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Purpose: Many different techniques, including multimodal analgesia, have been used for the management of postoperative pain after Percutaneous nephrolithotomy (PCNL). Ketorolac, intravenous (IV) paracetamol, rofecoxib, and IV ibuprofen have been used as a part of a multimodal analgesic approach in different surgical procedures. However, the efficacy of IV ibuprofen has not been well elucidated in adult patients undergoing elective PCNL.

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Low fresh gas flow rates are recommended because of their benefits, however, its use is limited due to associated risks. The main purpose of this study was to investigate whether 300 mL of fresh gas flow that practised with automated gas control mode is applicable and safe. The second aim is to show that automated mode can provide economic benefits.

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Objectives: High anxiety levels may lead to mental and physical changes that may affect quality of life. Melatonin has anxiolytic properties. It has been reported that administration of melatonin reduces anxiety.

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Aim: To analyze developing infections after living donor hepatectomy (LDH) in living liver donors (LLDs).

Methods: Demographic and clinical characteristics of 1106 LLDs were retrospectively analyzed in terms of whether postoperative infection development. Therefore, LLDs were divided into two groups: with (n = 190) and without (n = 916) antimicrobial agent use.

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Background: Low flow anesthesia (LFA) provides a saving up to 75% and improves the dynamics of inhaled anesthesia gas, increases mucociliary clearance, maintains body temperature, and reduces water loss. LFA has been recommended for anesthesiologists in recent years to avoid high fresh gas flow (FGF). However, LFA use is limited due to associated risks.

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Background: Transversus abdominis plane (TAP) block provides effective postoperative analgesia after abdominal surgeries. It can be also a useful strategy to reduce perioperative opioid consumption, support intraoperative hemodynamic stability, and promote early recovery from anesthesia. The aim of this prospective randomized double-blind study was to assess the effect of subcostal TAP blocks on perioperative opioid consumption, hemodynamic, and recovery time in living liver donors.

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Background: Hemoglobin level monitoring is essential during liver transplantation (LT) due to substantial blood loss. We evaluated the accuracy of non-invasive and continuous hemoglobin monitoring (SpHb) obtained by a transcutaneous spectrophotometry-based technology (Masimo Corporation, Irvine, CA) compared with conventional laboratory Hb measurement (HbL) during LT. Additionally, we made subgroup analyses for distinct surgical phases that have special features and hemodynamic problems and thus may affect the accuracy of SpHb.

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Purpose: The aim was to assess outcomes for pregnancies in which hemolysis, elevated liver enzymes, and low platelet (HELLP) syndrome develops and the patient requires transfer for critical care.

Materials And Methods: The cases of women with HELLP syndrome who delivered at our tertiary center or surrounding hospitals and were admitted to the intensive care between January 2007 and July 2012 were retrospectively analyzed. Results were compared for the surviving and non-surviving patients.

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Aim: Acute hemodynamic responses, including transient hypertension and tachycardia, to electroconvulsive therapy (ECT) predispose vulnerable patients to significant cardiovascular complications. Many drugs have been used in an attempt to attenuate these responses. To date, no comparative study of the acute hemodynamic effects of dexmedetomidine and esmolol in ECT has been published.

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