Browsing by Author "Cok, Oya Yalcin"

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Comparison of the postoperative analgesic effects of naproxen sodium and naproxen sodium-codeine phosphate for arthroscopic meniscus surgery
(2016) Balli, Cagla; Ergenoglu, Pinar; Ozmete, Ozlem; Akin, Sule; Ozyilkan, Nesrin Bozdogan; Cok, Oya Yalcin; Aribogan, Anis; 26832827
Background and objectives: Nonsteroidal anti-inflammatory drugs (NSAIDs) are frequently used to control arthroscopic pain. Addition of oral effective opioid "codeine" to NSAIDs may be more effective and decrease parenteral opioid consumption in the postoperative period. The aim of this study was to compare the efficacy and side effects of naproxen sodium and a new preparation naproxen sodium-codeine phosphate when administered preemptively for arthroscopic meniscectomy. Methods: Sixty-one patients were randomized into two groups to receive either oral naproxen sodium (Group N) or naproxen sodium-codeine phosphate (Group NC) before surgery. The surgery was carried out under general anesthesia. Intravenous meperidine was initiated by patient-controlled analgesia (PCA) for all patients. The primary outcome measure was pain score at the first postoperative hour assessed by the Visual Analogue Scale (VAS). Sedation assessed by Ramsey Sedation Scale, first demand time of PCA, postoperative meperidine consumption, side effects and hemodynamic data were also recorded. Results: The groups were demographically comparable. Median VAS scores both at rest and on movement were significantly lower in Group NC compared with Group N. except 18th hour on movement (p < 0.05). The median time to the first demand of PCA was shorter in Group N compared with Group NC (p < 0.001). Meperidine consumption was higher in Group N compared with Group NC (p < 0.001). There was no difference between groups with respect to side effects (p > 0.05). Conclusions: The combination of naproxen sodium-codeine phosphate provided more effective analgesia than naproxen sodium and did not increase side effects. (C) 2014 Sociedade Brasileira de Anestesiologia. Published by Elsevier Editora Ltda. All rights reserved.
Effect of low dose dexmedetomidine premedication on propofol consumption in geriatric end stage renal disease patients
(2015) Ergeneoglu, Pinar; Akin, Sule; Bali, Cagla; Eker, Hatice Evren; Cok, Oya Yalcin; Aribogan, Anis; 26323728
Background and objective: Sedation in dialysis dependent end-stage renal disease patients requires caution as a result of performing high doses of sedatives and its complications. Multidrug sedation regimens might be superior and advantage on lesser drug consumption and by the way adverse events which occur easily in end-stage renal disease patients. We evaluated the effects of dexmedetomidine premedication on propofol consumption, sedation levels with Observer's Assessment of Alertness and Sedation scores and the bispectral index and the hemodynamic changes, potential side effects in geriatric patients with end-stage renal disease who underwent hip fracture surgery under spinal anesthesia. Method: In this randomized, controlled, double-blind study 60 elderly patients (age >= 65 years) with end-stage renal disease and hip fracture scheduled for anterograde femoral intramedullary nailing were assigned to groups that received either intravenous saline infusion (Group C) or dexmedetomidine 0.5 mu g/kg/10 min infusion for premedication (Group D). All the patients received propofol infusion after the induction of the spinal anesthesia. Results: Total propofol consumption, propofol dose required for targeted sedation levels according to Observer's Assessment of Alertness and Sedation scores and bispectral index levels, recovery times were significantly lower in Group D (p< 0.001). The time to reach to Observer's Assessment of Alertness and Sedation score 4 and to achieve bispectral index <= 80 was significantly lower in Group C compared with Group D (p< 0.001). Adverse events were similar in both groups. Conclusion: Dexmedetomidine premedication lowers intraoperative propofol consumption to maintain targeted level of sedation. Therefore low dose dexmedetomidine premedication in addition to propofol infusion might be an alternative in geriatric patients with end-stage renal disease for sedation. (c) 2015 Sociedade Brasileira de Anestesiologia. Published by Elsevier Editora Ltda. All rights reserved.
Effect of pterygopalatine blockade on perioperative stress and inflammatory outcomes following paediatric cataract surgery
(2020) Oleshchenko, Irina; Cok, Oya Yalcin; Iureva, Tatiana; Zabolotskii, Dmitrii; Kripak, Anna; 0000-0003-3004-2626; 31964855; AAI-7998-2021
Background General anesthesia is required to perform pediatric cataract surgery. To reduce severity of surgical intervention and postoperative complications, regional techniques have been concomitantly used. The traditional regional ophthalmic techniques are retrobulbar, peribulbar and sub-Tenon blocks, which present some technical difficulties and associated complication risks. The pterygopalatine blockade has been exempt of many of these concerns as it is performed out of the orbit. The purpose of this study was to compare the analgesic and anti-inflammatory effects of the pterygopalatine blockade with retrobulbar block in children undergoing elective congenital cataract surgery. Methods After approval of ethics committee and informed consents, patients were enrolled to the study to have either ultrasound-guided pterygopalatine block (group P) or retrobulbar block (group R), with 2 mL lidocaine 2% and 1 mL ropivacaine 0.5%. Hemodynamic monitoring was recorded throughout the perioperative period. Cortisol level and oxidation-reduction status were assessed before and after surgery. Pain and inflammatory response (Tyndall effect, corneal syndrome and edema) were assessed on the first postoperative day. Results Comparative analysis demonstrated a decrease in cortisol of 123.24% (p<0.05) and an increase in the redox coefficient of 37.7% (p<0.05) in group P. Pain intensity was significantly higher in group R until the 16th postoperative hour. The corneal syndrome in patients in group P and group R was noted by 7.6% and in 32.1%, respectively (p<0.05). Conclusion The use of the pterygopalatine blockade as a component of anesthesia in pediatric cataract surgery allows reduction of the severity of surgical stress during surgical intervention, providing intraoperative hemodynamic stability and prolonged analgesia.
The Efficacy of Intra-Articular Lidocaine Administration in Chronic Knee Pain Due To Osteoarthritis: A Randomized, Double-Blind, Controlled Study
(2017) Eker, H. Evren; Cok, Oya Yalcin; Aribogan, Anis; Arslan, Gulnaz; https://orcid.org/0000-0002-7901-0185; https://orcid.org/0000-0003-3004-2626; https://orcid.org/0000-0002-4419-5693; 27485803; AAI-8769-2021; AAI-7998-2021; S-8336-2019
Background: Intra-articular injections for the treatment of knee pain due to osteoarthritis are performed when conservative therapies have failed. The intra-articular injection of lidocaine may be an effective treatment modality due to its neuronal membrane-stabilizing effect and long-lasting anti-inflammatory action. In this study, we compared the efficacy of intra-articular 0.5% lidocaine versus saline injection on pain, stiffness and physical function in patients with osteoarthritis. Methods: Patients with osteoarthritis were randomly allocated to two groups. Group I (n = 26) received 7 mL 0.5% lidocaine and group II (n = 26) received 7 mL saline into the painful knee for a series of three injections spaced by 1 week intervals under ultrasound guidance. Knee pain was measured with a numeric rating score (NRS) at baseline and 3 months after the 3rd injection. WOMAC scales, including pain (WOMAC-P), stiffness (WOMAC-S) and physical function (WOMAC-F), were assessed and recorded at baseline, 30 minutes after the 1st injection, immediately prior to the 2nd and 3rd injections and 3 months after the 3rd injection. Results: Demographic data were comparable between groups. The NRS after 3 months was significantly lower in group I (P = 0.001). The WOMAC-P, immediately prior to the 3rd injection and 3 months afterwards, was significantly lower in group I (P = 0.006, P = 0.001, respectively). The WOMAC-S was improved prior to the 3rd injection and sustained until 3 months in group I (P = 0.035, P = 0.004, respectively). The WOMAC-F was improved after the 1st injection and sustained until 3 months in group I (P = 0.002, P < 0.0001 and P < 0.0001, respectively). Conclusions: Intra-articular 0.5% lidocaine injection under ultrasound guidance has a potential role in the management of chronic knee pain due to osteoarthritis for a 3-month period. (C) 2016 Societe francaise d'anesthesie et de reanimation (Sfar). Published by Elsevier Masson SAS. All rights reserved.
Lacrimal dilator-facilitated incisionless vs. standard sub-Tenon's block: a randomized, prospective and non-inferiority comparative study
(2020) Coban-Karatas, Muge; Cok, Oya Yalcin; Kumar, Chandra M; 0000-0003-3004-2626; 33005046; AAI-7998-2021
Background/objectives Standard sub-Tenon's block (STB) involves incision (dissection) of conjunctiva and Tenon's capsule with the help of blunt scissors and forceps, insertion of a blunt sub-Tenon's cannula under the Tenon's capsule and injection of local anaesthetic agent. STB is frequently associated with minor complications such as chemosis and postoperative subconjunctival haemorrhage but rare sight and life-threatening complications. To reduce these minor complications, several variations of incisionless STB have been described however, there are no comparative data. One such incisionless STB involves the use of lacrimal dilator which is easily available in the operating theatre. We compared incisionless lacrimal dilator-facilitated with the standard STB for effectiveness, chemosis, and postoperative subconjunctival haemorrhage. Subjects/methods After obtaining ethical approval, patients scheduled to undergo elective phacoemulsification cataract surgery were enroled to receive incisionless lacrimal dilator-facilitated STB (Group LD) or a standard STB using Wescott scissors and blunt forceps (Group WS). All patients received 3 mL 2% lidocaine without any adjuvant. No sedation was administered. Demographics of the patients, duration of the procedure, analgesia, akinesia, duration of the procedure intraoperative chemosis, and postoperative subconjunctival haemorrhage were compared. Results Both groups were comparable for demographic data, duration of the procedure, analgesia, and akinesia (p > 0.05). The severity of chemosis and postoperative subconjunctival haemorrhage were significantly lower in Group LD (n = 32) in comparison to Group WS (n = 31) (p < 0.001). Conclusions Incisionless lacrimal dilator-facilitated STB decreases intraoperative chemosis and postoperative conjunctival haemorrhage in comparison to standard STB. Analgesia and akinesia are comparable in both techniques.
Oral 30% Glucose Provides Sufficient Sedation in Newborns During
(2017) Eker, H. Evren; Cok, Oya Yalcin; Cetinkaya, Bilin; Aribogan, Anis; 0000-0003-0866-7339; 0000-0003-3004-2626; 0000-0002-7901-0185; 0000-0002-4419-5693; 27999970; AAF-1346-2021; AAI-7998-2021; AAI-8769-2021; S-8336-2019
Newborns are often sedated during MRI but sedation itself creates adverse events and management is more challenging in this environment. Oral glucose/sucrose administration has been studied in newborns during painful procedures; however, its effectiveness in keeping newborns sleepy and motionlessness during painless procedures has not been demonstrated. The objective of this study was to describe effectiveness of oral 30% glucose administration by comparing with intravenous midazolam sedation for newborns during MRI. One hundred twelve ASA II-III newborns who required care in the ICU and were scheduled for MRI with sedation were included. Group I received 30% glucose solution orally with 0.5-1 ml increments up to 2 ml/3 kg doses and group II received intravenous 0.1 mg/kg midazolam with 0.05 mg/kg repetition. The procedure was considered satisfactory when MRI images were not disturbed by patient movement after oral glucose or intravenous midazolam administration. The efficiency of the techniques, additional dose and rescue sedation requirements, blood glucose levels following oral 30% glucose suckling and presence of adverse events were recorded. Demographic data was similar between groups. The efficiency of the procedures were similar between groups (78.9%, in group I and 66.1%, in group II). The blood glucose levels were within normal range in group I whereas transient desaturation and apnea occurred in 8 neonates in group II (p = 0.006). Oral 30% glucose administration for newborns during MRI is as effective as standard sedation protocol with midazolam. Thereby, we recommend and support the integration of this safe and reliable technique into routine practice for newborns during MRI.
Preoperative Paracetamol Improves Post-Cesarean Delivery Pain Management: A Prospective, Randomized, Double-Blind, Placebo-Controlled Trial
(2016) Ozmete, Ozlem; Bali, Cagla; Cok, Oya Yalcin; Ergenoglu, Pinar; Ozyilkan, Nesrin Bozdogan; Akin, Sule; Kalayci, Hakan; Aribogan, Anis; 0000-0003-3004-2626; 0000-0002-4973-8132; 0000-0002-6366-941X; 0000-0001-5845-699X; 0000-0001-6423-1076; 0000-0003-2615-1918; 0000-0002-4419-5693; 27555133; AAI-8790-2021; S-8336-2019; AAI-7998-2021; J-5282-2013; AAI-7779-2021; AAJ-2094-2021; AAI-7880-2021; GON-8465-2022
Study Objective: To evaluate the analgesic effect of preoperative single dose intravenous paracetamol on postoperative pain and analgesic consumption within 24 hours after elective cesarean surgery. Design: Prospective, randomized, double-blind, placebo-controlled clinical trial. Setting: University Teaching Hospital. Patients: American Society of Anesthesiologists (ASA) I and II 60 patients between 18-40 years of age who were scheduled to undergo elective cesarean section. Interventions: Patients were randomized into two groups to receive either intravenous 1 g paracetamol (100 mL) (Group P) or 0.9% NaCl solution (100 mL) (Group C) 15 minutes before the induction of general anesthesia. After delivery of newborn 0.15 mg kg(-1) morphine was administered to all patients in both groups. Postoperative analgesia was provided with patient-controlled intravenous analgesia with morphine in the postoperative period. Measurements: Pain which is the primary outcome measure was assessed at 15th, 30th minutes and 1st, 2nd, 4th, 6th, 12th, 24th hours by the Visual Analogue Scale. Patients' demographics, hemodynamics, Apgar score, additional analgesic requirement, side effects, patients' satisfaction and postoperative total morphine consumption within 24 hours were recorded. Main Results: Median visual analogue scale for pain in Group P was significantly lower compared to Group C at all time points except for the score at 24th h postoperatively (P <.05). Additional analgesic requirement during postoperative first hour was lower in Group P (P <.05). Total morphine consumption was higher in Group C compared with Group P (P <.05). There was no difference between groups with respect to Apgar scores, side effects, and patient satisfaction (P >.05). Conclusions: Preoperative use of single-dose intravenous 1 g paracetamol was found to be effective in reducing the severity of pain and opioid requirements within 24 hours after cesarean section. (C) 2016 Elsevier Inc. All rights reserved.
Sugammadex Given for Rocuronium-Induced Neuromuscular Blockade in Infants: A Retrospective Study
(2016) Ozmete, Ozlem; Bali, Cagla; Cok, Oya Yalcin; Turk, Hatice Evren Eker; Ozyilkan, Nesrin Bozdogan; Civi, Soner; Aribogan, Anis; 0000-0002-1055-5152; 0000-0003-3004-2626; 0000-0002-7901-0185; 0000-0002-4973-8132; 0000-0003-2615-1918; 0000-0002-4419-5693; 0000-0001-5845-699X; 27871583; AAI-7779-2021; U-2400-2018; AAI-7998-2021; AAI-8790-2021; AAI-8769-2021; S-8336-2019; AAI-7880-2021
Study Objective: To evaluate the efficacy and safety of sugammadex in reversing profound neuromuscular block induced by rocuronium in infant patients. Design: Retrospective observational study. Setting: University teaching hospital. Patients: Twenty-six infants (2-12 months of age; 3-11 kg) with an American Society of Anesthesiologists classification I, II, or III who were scheduled to undergo neurosurgical procedures were included in the study. Interventions: Anesthesia was induced with 5 mg/kg thiopental, 1 mu g/kg fentanyl and 0.6 mg/kg rocuronium. Sevoflurane was administered to all patients after intubation. Methods: The neuromuscular block was monitored with acceleromyography using train-of-four (TOF) stimuli. Patients received additional doses of rocuronium to maintain a deep block during surgery. If profound neuromuscular block (TOF, 0) persisted at the end of the surgery, 3 mg/kg sugammadex was administered. Measurements: The demographic data, surgeries, and anesthetic agents were recorded. The time from sugammadex administration to recovery of neuromuscular function (TOF ratio, >0.9) and complications during and after extubation were also recorded. Main results: Twenty-six infants who had a deep neuromuscular block (TOF, 0) at the end of surgery received 3 mg/kg sugammadex. The mean recovery time of the T4/T1 ratio of 0.9 was 112 seconds. No clinical evidence of recurarization or residual curarization was observed. Conclusions: The efficacy and safety of sugammadex were confirmed in infant surgical patients for reversal of deep neuromuscular block induced by rocuronium. (C) 2016 Elsevier Inc. All rights reserved.