Turkish journal of anaesthesiology and reanimation最新文献

Objective: Successful endotracheal intubation is a key step in advanced airway management. The gold standard confirmation for successful endotracheal intubation is end-tidal carbon dioxide (etCO₂) monitoring, although recent studies suggest that ultrasound can also be used. In this study, we explored the time-sensitive early recognition of successful endotracheal intubation by comparing ultrasound and etCO₂ monitoring.

Methods: The study included 104 patients who were posted for elective surgery under general anaesthesia requiring endotracheal intubation. The time from removal of the face mask to ultrasound visualization of flutter in the trachea was compared with that of the appearance of six consecutive capnography waveforms following endotracheal intubation.

Results: Ultrasound was a faster tool for recognizing successful endotracheal intubation [(21.63±7.38) seconds] compared with capnography [(40.62±7.93) seconds].

Conclusion: eCO₂ requires more time for 6 continuous waveforms to confirm successful intubation and has a false positive rate. Supplementing the gold standard etCO₂ with ultrasound is faster and reliable in patients with low pulmonary blood flow without needing positive pressure ventilation, such as during cardiopulmonary resuscitation, in high-risk emergency intubations, such as in trauma, or in difficult airways where intubation can be confirmed in real time. Ultrasound is a reliable and faster tool for the early identification of successful endotracheal intubation than end-tidal carbon dioxide.

Objective: The neutrophil lymphocyte ratio (NLR) and platelet lymphocyte ratio (PLR) are indicators of postoperative inflammatory response. Low-dose ketamine has analgesic and anti-inflammatory properties. Inguinal hernia surgery is associated with a higher incidence of chronic pain.

Methods: Sixty patients aged 18-60 years; American Society of Anesthesiologists status I and II who were scheduled for laparoscopic inguinal hernia surgery were included. After the induction of general anaesthesia, a ketamine 0.5 mg kg^-1 bolus, followed by a 0.2 mg kg^-1 h^-1 infusion (group K) or saline bolus and infusion (group S) was administered until the end of the surgery. Blood samples were collected at various time intervals. Fentanyl requirement, hemodynamics, verbal analog scale (VAS), emergence delirium, recovery, postoperative nausea and vomiting, and chronic pain were recorded.

Results: Median (interquartile range) NLR was 4.63 times increased at 2 hours postoperatively from the baseline in group S [2.07 (1.72-2.79) to 7.91 (5.74-14.7)] as compared to 2.53 times increase in group K [1.85 (1.4-2.61) to 5.45 (2.89-7.61)] (P=0.02). The increase in median PLR from baseline to 2 hours postoperatively was greater in group S (2.98 times) than in group K (1.94 times) (P=0.02). The NLR and PLR were comparable on POD1 between the groups. Fentanyl requirement was significantly higher in group S compared to Group K both intraoperatively, (P=0.01) and two hours postoperatively (P=0.047). More patients had chronic pain and VAS scores in group S than in group K (13 vs 5, P=0.05).

Conclusion: Low-dose ketamine reduces postoperative inflammatory response, decreases perioperative opioid requirement, and reduces incidence of chronic pain after laparoscopic inguinal hernia surgery with no significant side effects.

Objective: We intended to research the efficacy of pericapsular nerve group (PENG) block performed with preoperative ultrasonography (USG) in patients who underwent hip fracture repair under spinal anaesthesia and whether it affects the success of spinal anaesthesia.

Methods: The files of 100 patients were analysed, and 60 patients were enrolled in the study. The patients were assigned into two groups: Group P (n = 30) consisted of patients who underwent USG-guided PENG block before the start of surgery and the control group (Group C; n = 30) consisted of patients in whom tramadol infusion was initiated. All patients received 10 mg IV bolus tramadol as rescue analgesia when numeric rating scale (NRS)>3. From the files of the patients, before PENG block application, after PENG block application, during positioning before spinal anaesthesia, the NRS values at the time of the patient's discharge from the operating room and at 2^nd, 4^th, 12^th and 24^th hour NRS values, spinal anaesthesia duration and number of attempts, and perioperative total tramadol consumption were obtained.

Results: In group P, NRS values were found to be significantly lower after PENG block application, during positioning before spinal anaesthesia, and at the postoperative discharge, 2^nd, 4^th, 12^th and 24^th hours. In addition, group P had a lower duration of spinal anaesthesia, a lower number of spinal anaesthesia attempts and a lower total perioperative tramadol consumption.

Conclusion: The results demonstrated that preoperative PENG block facilitated positioning for spinal anaesthesia, shortened the application time, increased the first-attempt success rate, decreased pain scores, and reduced the need for postoperative opioids.

Objective: Deficiency of organs for transplantation is a significant public health issue. French learned societies accept intensive care unit admission for patients with catastrophic neurological prognosis to optimize organs prior to probable brain death. We evaluated the implementation of a specific ethical care procedure for these patients.

Methods: A descriptive before-after study was conducted, comparing the 2009-2012 period to the 2013-2016 period, during which this procedure was applied.

Results: The number of patients increased from 145 to 186 (+28.3%) and the number of harvested organs increased from 323 to 485 (+50.1%). The anticipated organ donation approach was initiated 135 times. Of the 117 meetings with families, 83 (71%) consented to organ donation. Fifty-three (64%) patients were brain dead, and 49 (92%) of these patients had 194 organs harvested.

Conclusion: The anticipated approach increased the number of donors and organs suitable for grafts. The application of a specific protocol for managing untreatable catastrophic neurological patients improved communication between hospital staff and families and respected patient autonomy by offering options for either organ donation or palliative care.

Objective: The negative effects of delirium in intensive care unit (ICU) patients necessitate the identification and management of risk factors. This study aimed to determine the incidence of delirium and its associated modifiable and non-modifiable factors in the ICU setting to provide valuable insights for better patient care and outcomes.

Methods: Patients admitted to the ICU underwent delirium screening twice daily. Comprehensive records of modifiable and non-modifiable risk factors were maintained throughout the ICU stay.

Results: The incidence of delirium was 32.5%. Age [odds ratio (OR) 1.04, confidence interval (CI) 1.02-1.06, P < 0.001)]. Illiteracy (OR 4, CI 1.19-13.35, P=0.02), hearing impairment (OR 3.37, CI 1.71-7.01, P=0.001), visual impairment (OR 3.90, CI 2.13-7.15, P < 0.001), hypertension (OR 2.56, CI 1.42-4.62, P=0.002), Sequential Organ Failure Assessment score (OR 1.21, CI 1.08-1.36, P=0.001), Acute Physiology and Chronic Health Evaluation II score (OR 1.20, CI 1.12-1.28, P < 0.001), presence of a nasogastric catheter/drain (OR 2.15, CI 1.18-3. 90, P=0.01), tracheal aspiration (OR 3.63, CI 1.91-6.90, P < 0.001), enteral nutrition (OR 2.54, CI 1.12-5.76, P=0.02), constipation (OR 1.65, Cl 1.11-2.45, P=0.02), oliguria (OR 1.56, Cl 1.06-2.28, P=0.02), midazolam infusion (OR 3. 4, Cl 1.16-10.05, P=0.02), propofol infusion (OR 2.91 Cl 1.03-8.19, P=0.04), albumin use (OR 2.39, Cl 1.11-5.14 P=0.02) and steroid use (OR 2.17, Cl 1.06-4.40, P=0.03) were found to be independent risk factors for delirium.

Conclusion: This study highlights several risk factors contributing to delirium, such as age, sensory impairment, educational level, procedural interventions, and medications. Oral nutrition and mobilization are effective strategies for reducing delirium incidence in the ICU.

Primary intratracheal masses causing luminal obstruction are relatively rare, posing a challenge for anaesthesiologists in airway management. This case report describes a distinctive airway management approach in a 71-year-old female patient with an aorta-carotid artery bypass graft that significantly obstructed the trachea. The patient presented with worsening shortness of breath, and a thoracic computed tomography scan revealed a 19.2 mm×9.9 mm×19.3 contrast-enhancing mass penetrating the right anterolateral tracheal wall, resulting in 80% occlusion of the tracheal lumen. Awake fiberoptic bronchoscopy (FOB)-guided nasotracheal intubation was performed following topical upper airway anaesthesia, with the patient positioned at a 30º head-up angle and slight right-up tilt to minimize discomfort. A 6.0 mm ID cuffed endotracheal tube was successfully placed under fiberoptic guidance distal to the intratracheal vascular graft but proximal to the carina. Intratracheal masses can lead to severe tracheal obstruction followed by progressive airway obstruction, which can be life-threatening when effective ventilation cannot be established after the induction of general anaesthesia. We recommend the use of awake FOB-guided intubation in such cases. Additionally, contingency plans should be prepared and meticulously prepared in the event of intubation or ventilation failure.

Objective: The primary aim of this study was to investigate the guidance effect of the bispectral index (BIS) on the target plasma concentration (TPC) of propofol required for deep sedation during endoscopic retrograde cholangiopancreatography (ERCP). Second, to identify propofol consumption, recovery time, and adverse events.

Methods: A total of 42 consecutive patients with liver cirrhosis and 43 consecutive patients with healthy livers were enrolled. Propofol was administered via a target control infusion (TCI) syringe pump (Marsh Model) at BIS 60-70. Patients were not intubated, were placed in the prone position, and underwent spontaneous breathing. Propofol TPCs (μg mL^-1) and BIS values were recorded at T0 (baseline), T1 (5 min after induction), T2 (5 min into ERCP), T3 (15 min), T4 (30 min), and T5 (recovery).

Results: TPCs and propofol consumption were lower in patients with cirrhosis than in those without cirrhosis (T4: 2.7±0.5 vs. 3.3±0.4 μg mL^-1), P=0.001, and 270.4±6.9 mg vs. 390.8±13.4 mg, P=0.001), respectively. Patients with cirrhosis required more time to recover (8.5±2 vs. 6.2±0.9 min, P=0.001), despite comparable ERCP durations (31.1±11.1 vs. 34±12.5 min, P=0.28). A significant decline in TPC values among patients with cirrhosis with time (T1: 3.3±0.3, T2: 3.1±0.3, T3: 2.9±0.4, T4: 2.7±0.5 μg mL^-1, P=0.001), indicating a cumulative effect. One patient with cirrhosis required bag-mask ventilation, while three patients without cirrhosis were converted to general anaesthesia.

Conclusion: Combining the TCI Marsh pharmacokinetic model with BIS monitoring lowered the TPC levels required for deep sedation in patients with cirrhosis compared with healthy patients and allowed for individual variations. The prone position in deeply sedated and non-intubated spontaneous breathing patients is not without the risk of hypoxia.

Objective: This study functional endoscopic sinus surgery (FESS) is a surgical procedure requiring minimal bleeding to optimize the surgical field. This study aimed to evaluate the effectiveness of magnesium sulfate, lignocaine, and propofol in attenuating hemodynamic response. The primary objective of this study was to compare the efficacy of these agents in reducing hemodynamic response. The secondary objectives included assessing the quality of the surgical field, recovery time, and total neuromuscular dose.

Methods: We randomly allocated 105 patients scheduled for FESS into three groups: lignocaine, propofol, and magnesium sulfate. Heart rate and mean arterial pressure were recorded every 5 min for the first 30 min, followed by measurements every 10 min at the end of the procedure. Moreover, recovery time, total neuromuscular blocking dose, and surgical field score were noted upon completion of the procedure. Statistical analysis was conducted using the number cruncher statistical systems version 9.0.8 software.

Results: All three groups showed comparable hemodynamic response and surgical field scores. The recovery time was notably longer in the magnesium sulfate group [10.94 min (2.45)] than in the lignocaine [4.37 min (1.03)] [95% confidence interval (CI) -7.32, -5.83; P=0.000] and propofol groups [4.60 min (0.60)] (95% CI 5.60, 7.095; P=0.000). Moreover, the total neuromuscular blocking agent used was significantly lower in the magnesium sulfate group [5.89 mg (0.47)] than in the lignocaine [6.26 mg (0.56)] (95% CI 0.66, 0.03; P=0.035).

Conclusion: Propofol, magnesium sulfate, and lignocaine exerted equal efficacy in attenuating hemodynamic responses during surgery and ensuring a satisfactory surgical field. However, magnesium sulfate led to significantly longer recovery times compared with propofol and lignocaine. In addition, magnesium sulfate required a significantly lower total dose of neuromuscular blocking agents than lignocaine.

The enhanced recovery after surgery (ERAS) pathway is a perioperative care pathway intended to facilitate early recovery and minimize hospital stays among patients undergoing major surgery. Critical factors for successful ERAS implementation, which may vary depending on care processes, include a multidisciplinary team, organizational commitment to change, and a real-time system for compliance and outcome audits. As most clinicians and health organizations can attest, incorporating and implementing new evidence-based practice changes almost always involves overcoming systemic challenges and obstacles. The same holds true for ERAS programs. The main barriers to ERAS protocol implementation have been resistance to change, lack of time and resources, and inadequate communication and coordination among departments. According to evidence-based ERAS guidelines, the best way to efficiently implement all recommendations into practice is to discover. Implementation science aims to identify and address care gaps, support change in practice, and enhance healthcare quality. Implementation research should also build a robust and generalizable evidence base to inform implementation practice. Most implementation investigations focus on one of two approaches to achieving change. Implementation can progress through top-down or bottom-up processes depending on factors such as national policies, organizational properties, or the implementation culture of society, especially for health issues. Although the ERAS guidelines are based on evidence-based knowledge, only a limited number of health centers around the world have officially been able to implement them. The purpose of this review is to analyze the implementation of the ERAS pathways in theory and practice in Turkey, considering the absence of an ERAS-qualified center in Turkey.

Objective: This prospective, double-blind, randomized study aimed to compare the effects of dexmedetomidine and fentanyl on the latency and amplitude of transcranial motor evoked potentials (TcMEPs) under propofol-based total intravenous anaesthesia (TIVA) in spine surgery. Secondarily, intraoperative hemodynamics, total propofol consumption, recovery profile, and surgical field quality were compared.

Methods: TcMEP amplitude and latency recordings of bilateral abductor pollicis brevis and abductor hallucis muscles posted for elective lumbar spine surgery under TcMEP monitoring randomly divided into two study groups. Throughout the surgery, TIVA was administered using intravenous propofol (100-150 μg kg^-1 min^-1) and dexmedetomidine (0.5-0.7 μg kg^-1 h^-1) in group D and intravenous propofol (100-150 μg kg^-1 min^-1) and fentanyl (1 μg kg^-1 h^-1) in group F. TcMEPs were recorded at various time points during the surgery. Immediately after extubation recovery from anaesthesia was noted. Additionally, hemodynamic parameters, total propofol consumption, and surgical field quality were assessed.

Results: Latency and amplitude were comparable between the groups. Time to extubation was significantly longer in group D, but the mean (standard deviation) duration of stay in recovery was shorter in group D [47.55 (7.51) 95% confidence interval (CI) (44.863-50.237)] (P=0.046). Total propofol consumption was reduced in group D [220 (38) 95% CI (206.402-233.598)] (P=0.025) and surgical field condition was better in group D.

Conclusions: Dexmedetomidine and fentanyl do not have any effect on TcMEP amplitude and latency. However, dexmedetomidine provides the additional advantage of reduced total propofol consumption, shorter stay in recovery, and better surgical field quality.