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INTRODUCTION: Blurred lines remain in details of the association between patient warming with postoperative pain and a proper analgesic requirement. Therefore, the present study proposes to observe the effects of intraoperative patient warming and carbon dioxide insufflation duration in laparoscopic colectomy (LCol) and laparoscopic cholecystectomy (LChol) procedures on postoperative pain, analgesic requirements, and hemodynamics. METHODS: The present study involved 80 cases aged 18-80 years with the American Society of Anesthesiologists I-III classification, possessing two initial groups primarily, one for LCol and one for LChol. Subsequently, each was divided into two through randomization for intraoperative warming. Postoperatively, pain perception, per se, was evaluated using the visual analog scale (VAS) score at the 30 minutes, 1st, 6th, 12th, and 24th hours, along with the impact of pain on hemodynamic parameters and side effects such as nausea/vomiting and the dosage of analgesics used. RESULTS: Groups actively heated with warm air-blowing devices detected significantly higher intraoperative core and skin temperature measurements, and postoperative early pain perception was significantly lower in the warmed ones. Furthermore, a significant decrease in the VAS scores and the analgesic at the 12th and 24th hours compared to the first six hours was recognized between them. CONCLUSION: Consequently, herewith, we postulate that so-called patient warming positively affects the VAS scores.

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BACKGROUND: Laparoscopic splenectomy (LS) is considered the gold standard treatment in adults with idiopathic thrombocytopenic purpura (ITP) refractory to medical therapy. However, the retrieval of the spleen in LS is still a technical challenge, despite the use of various commercial retrieval bags. This study reports the feasibility and reliability of using a saline bag for spleen retrieval in a reduced port splenectomy. METHODS: Between 2007 and 2020, 55 consecutive patients underwent LS for ITP. Data were collected retrospectively. To retrieve the spleen, a 1 liter sterile saline bag was used. RESULTS: Fifty-five patients underwent LS. There was only one complication related to the saline bag: an iatrogenic ileal injury during the morselization process. CONCLUSION: One-liter saline bag is feasible, and widely available. No additional instruments or cost is required and there is no need to extend the wound for spleen retrieval during LS. KEY WORDS: Idiopathic thrombocytopenic purpura, Laparoscopic surgery, Splenectomy, Techniques.

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Non-invasive ventilation application in neurocritical care with risk of pneumocephalus is controversial. Non-invasive ventilation-related increased intrathoracic pressure increases intracranial pressure via direct transmission of intrathoracic pressure to the intracranial cavity. In addition, increased thoracic pressure decreases venous return to the heart and increases vena jugularis interna pressure, thereby increasing cerebral blood volume. Pneumocephalus is one of the major concerns after non-invasive ventilation application in head/brain trauma patients. Non-invasive mechanical ventilation may be performed in limited conditions in head trauma/brain surgery with appropriate and close monitoring. High-flow nasal cannula oxygen therapy can provide higher FiO2 as manifested by a larger increase in PaO2/FiO2 ratio and provide the theoretical basis in pneumocephalus because augmenting the PaO2 more effectively would accelerate nitrogen (N2) washout. As a result, non-invasive mechanical ventilation may be performed in limited manner in head trauma/ brain surgery with appropriate and close monitoring.

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Non-invasive ventilation has gained an increasingly pivotal role in the treatment of acute hypoxemic and/or hypercapnic respira-tory failure and offers multiple advantages over invasive mechanical ventilation. Some of these advantages include the preserva-tion of airway defense mechanisms, a reduced need for sedation, and an avoidance of complications related to endotracheal intubation. Despite its advantages, non-invasive ventilation has some contraindications that include, among them, severe encephalopathy. In this review article, the rationale, evidence, and drawbacks of the use of noninvasive ventilation in the context of hypercapnic and non-hypercapnic patients with an altered level of consciousness are analyzed.

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BACKGROUND: Various techniques are used to detect intraoperative bleeding points in thyroid surgery. We aimed to assess the effect of increasing peak airway pressure to 30, 40 and 50 cm H2O manually in detecting intraoperative bleeding points. METHODS: One hundred and 34 patients scheduled for total thyroidectomy were included to this prospective randomised controlled clinical study. We randomly assigned patients to increase peak airway pressure to 30, 40 and 50 cm H2O manually intraoperatively just before surgical closure during hemostasis control. The primary endpoint was the rate of bleeding points detected by the surgeon during peak airway pressure increase. RESULTS: The rate of detection of the bleeding points was higher in 50 cm H2O Group than the other two groups (15.9 vs 25.5 vs 40%, P = 0.030), after pressure administration, the HR, SpO2, and P peak were similar between groups (P = 0.125, 0.196, 0.187, respectively). The median duration of the bleeding point detection after the pressure application was 21.82 s in 30 cm H2O, 25 s in 40 cm H2O, and 22.50 s in 50 cm H2O groups. Postoperative subcutaneous hematomas or hemorrhages requiring surgery were not seen in any patient. CONCLUSIONS: Manually increasing peak airway pressure to 50 cm H2O during at least 22.50 s may be used as an alternative way to detect intraoperative bleeding points in thyroid surgery. CLINICAL TRIAL REGISTRATION: NCT03547648. Registered 6 June2018.

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Background and Objectives: Percutaneous nephrolithotomy (PCNL) is a minimally invasive procedure for removing kidney stones, but patients still suffer from moderate postoperative pain. The aim of this study is to evaluate the perioperative analgesic effect of ultrasound-guided subcostal transversus abdominis plane (TAP) block performed before PCNL procedure. Materials and Methods: Patients scheduled for elective PCNL were randomized into two groups: Group TAP and Group IV. General anesthesia was induced with propofol, fentanyl, and rocuronium and maintained with sevoflurane, fentanyl, and rocuronium. Unilateral ultrasound-guided TAP block was performed with total of 30 mL volume of local anesthetic solution (20 mL bupivacaine 0.125% plus 10 mL lidocaine 1%) after intubation but before surgery to the Group TAP patients. Paracetamol 1 g was given to the Group IV. Tramadol 100 mg and morphine IV-patient-controlled analgesia were applied to both groups. Perioperative fentanyl consumption, postoperative verbal analog scale (VAS), morphine consumption, and additional analgesic drug requirement were assessed. Chi square with Yates correction and Mann-Whitney U tests were used for statistical analysis. Results: Eighty patients were assessed for enrollment. One patient developed septicemia at the recovery room so data of 79 patients were collected for statistical analysis. Total morphine consumption at 48th hour after the surgery was lower at Group TAP (p = 0.022). Perioperative fentanyl consumption was lower at Group TAP (p < 0.001). Additional analgesic requirement and VAS were comparable between groups. Conclusions: Preemptive unilateral ultrasound-guided subcostal TAP block decreases perioperative fentanyl and postoperative total morphine consumption in PCNL patients compared to IV analgesic management.

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OBJECTIVE: The aim of this study was to evaluate the effects of antithrombin III (AT III) and pentoxifylline treatments on the gram negative septic patients with disseminated intravascular coagulation (DIC). METHOD: For six days after plasma AT III activity dropped lower than 80% in Gram-patients who developed DIC were treated with AT III (90-120 IU/kg/day in 6 hours) or pentoxifylline (1.5 mg/kg/h in 6 hours) Fibrinogen, FDP, D-dimer, complete blood count, AT III activity, and DIC scores were calculated and recorded. RESULTS: The coagulation tests, AT III activity and FDP started to improve from the second day of treatment with both treatments (p<0.05). D-Dimer started to decrease on the second day of treatment with pentoxifylline (p<0.001) and fourth day of AT III treatment (p<0.05). Fibrinogen levels decreased on the second day of pentoxifylline treatment (p<0.05) and on the last day of AT III treatment (p<0.001). DIC scores started to decrease on the last day of treatment with AT III treatment (p<0.001) and on the third day of treatment with pentoxifylline (p<0.05). CONCLUSION: Both ATIII and pentoxifylline treatments had positive effects on fibrinogen, FDP, D-Dimer, AT III activity and DIC scores in patients with Gram-negative sepsis who developed DIC.

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OBJECTIVES: The effect of subcostal transversus abdominis plane (TAP) block on postoperative pain is contradictive. The aim of this study was to evaluate the effect of subcostal TAP block on subacute pain in patients who have undergone inguinal herniography. METHODS: Patients aged between 18 and 75 years with American Society of Anesthesiologists 1-3 and who were to undergo elective unilateral inguinal herniography with mesh under general anesthesia were included. Fifty patients were under an intravenous analgesic regimen (group I) and 50 patients underwent subcostal TAP block postoperatively in addition to the intravenous analgesic regimen (group II). The primary outcome measure was pain scores 1 month postoperatively by comparing Numerical Rating Scale values with the Mann-Whitney U test between groups I and II. Secondary outcome measures were life qualification scores 1 month postoperatively and pain scores 24 h and 15 days postoperatively. RESULTS: Postoperative 15th-min; 1st-, 6th-, 12th-, and 24th-h; 15th-day (p=0.00); and 1st-month Numerical Rating Scale values were significantly lower in group II than in group I (p=0.02). No significant difference was observed between the groups in terms of LQS 15 days postoperatively (p=0.013). On group comparison, LQS was higher in the 1st month than at the 15th day postoperatively in group I (p=0.201). CONCLUSION: Subcostal TAP block provides an effective postoperative pain treatment in the acute period and in the 1st postoperative month in patients undergoing inguinal herniography.

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PURPOSE: Mask ventilation and laryngoscopy can be challenging in morbidly obese patients because of excessive fat tissue. There are studies suggesting that neck circumference is associated with difficult mask ventilation, difficult laryngoscopy, and difficult intubation. The primary aim of our study is to evaluate predictive value of neck circumference for difficult mask ventilation and difficult laryngoscopy in female and male morbidly obese patients separately. METHODS: This observational cross-sectional study was performed in the period between March 2015 and December 2015. One hundred and twenty (37 male and 83 female) patients undergoing elective surgery were included. Neck circumference, BMI, Mallampati scores, neck movements, dentition, upper lip bite test, breast, thorax, waist, hip circumferences, mouth opening, and sternomental and thyromental distances were evaluated preoperatively. Mask ventilation was graded using four-grade classification. Laryngoscopy was evaluated by Cormack Lehane score. RESULTS: The incidence of difficult mask ventilation was 13.5% in male and 3.6% in female patients. Mouth opening ≤ 6.5 cm and inadequate flexion were found as significant predictors for difficult mask ventilation in male patients. The incidence of difficult laryngoscopy was 10.8% in male and 4.8% in female patients. Mallampati score > II was found as a significant predictor for difficult laryngoscopy in both male and female patients. Sternomental distance ≤ 16 cm and inadequate flexion were also significant predictors for difficult laryngoscopy in male patients. Neck circumference was not found statistically significant predictor for difficult mask ventilation and laryngoscopy in morbidly obese patients in our study. CONCLUSION: Neck circumference is not a statistically significant predictor for difficult mask ventilation and laryngoscopy in morbidly Turkish obese male and female patients. CLINICAL TRIALS REGISTRATION NUMBER: NCT02589015.

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OBJECTIVES: We aimed to assess possible risk factors related to difficult intubation in patients undergoing thyroid surgery. METHODS: We prospectively collected data of 200 patients scheduled for thyroid surgery. Clinical risk factors were defined as: Mallampati score, interincisor gap, thyromental distance, sternomental distance, range of neck motion, body mass index, neck circumference, goiter, the presence of radiological findings suggesting compression and thyroid weight. All evaluations were performed with Macintosh assessed for Cormack and Lehane (CL) classification and modified intubation difficulty scale (MIDS). RESULTS: It was observed that the proportion of patients with a thyroid weight ≥40 g, goiter, a Macintosh CL score = 3-4 and the mean neck circumference were significantly higher in the group with a MIDS score >5 (p = 0.018, p = 0.011, p < 0.001, respectively). CONCLUSION: The presence of a palpable goiter, thyroid weight ≥40 g and thyromental distance <6.5 cm were risk factors associated with difficult intubation in the multivariate regression model.

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