Researcher:
Darçın, Kamil

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Teaching Faculty

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Kamil

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Darçın

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Darçın, Kamil

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2017 - 201942020 - 20224

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Researcher Of Publications: search.filters.isAuthorOfPublication.84613dad-e55e-4f45-9ec2-793a03a6507a

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    The role of ultrasonography to estimate gastric content in a case with aspiration risk
    (Anestezi Dergisi, 2021) Gürkan, Yavuz; Karakaya, Muhammet Ahmet; Özkalaycı, Özlem; Çetin, Seçil; Alper, Emrah; Darçın, Kamil; Faculty Member; Doctor; Doctor; Doctor; Faculty Member; Teaching Faculty; School of Medicine; N/A; N/A; N/A; School of Medicine; School of Medicine; Koç University Hospital; 154129; N/A; N/A; N/A; 220444; 203217
    In this case report we present our experience in measuring the gastric volume of a mentally-motor retarded patient for percutaneous endoscopic gastrostomy replacement. The antrum of the stomach was visualized in the subcostal region of the sagittal plane with an ultrasound probe. Anteroposterior, and right-left lateral diameters were measured. Using these measurements, the antrum cross-sectional area and then the gastric volume were calculated. Ultrasonography should be kept in mind as a good alternative approach to evaluate the gastric volume in cases with aspiration risk. © Copyright Anesthesiology and Reanimation Specialists’ Society. This journal published by Logos Medical Publishing. Licenced by Creative Commons Attribution 4.0 International (CC)
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    Rhomboid intercostal block for scapulothoracic arthrodesis
    (Elsevier Science Inc, 2021) N/A; N/A; N/A; N/A; Gürkan, Yavuz; Gedik, Cemil Cihad; Manici, Mete; Darçın, Kamil; Faculty Member; Researcher; Faculty Member; Teaching Faculty; School of Medicine; School of Medicine; School of Medicine; School of Medicine; 154129; 327612; 113502; 203217
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    Per-oral endoscopic myotomy (poem) in the treatment of achalasia; clinical outcomes of 430 patients, single center study
    (Mosby-Elsevier, 2019) N/A; Aslan, Fatih; Karahan, Salih Nafiz; Yılmaz, Onur; Şengün, Berke; Koçak, Elif; Darçın, Kamil; Faculty Member; Researcher; Undergraduate Student; Undergraduate Student; Undergraduate Student; Teaching Faculty; School of Medicine; School of Medicine; School of Medicine; School of Medicine; School of Medicine; School of Medicine; 219202; 337050; N/A; 309087; N/A; 203217
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    Intravenous port catheter implantation: retrospective study in single center experience
    (Anestezi Dergisi, 2022) N/A; N/A; N/A; N/A; N/A; N/A; Darçın, Kamil; İşgüzar, Agah; Coşarcan, Sami Kaan; Manici, Mete; Küçükerdem, Osman Barış; Erçelen, Ömür; Teaching Faculty; Doctor; Doctor; Faculty Member; Researcher; Faculty Member; School of Medicine; N/A; N/A; School of Medicine; N/A; School of Medicine; Koç University Hospital; Koç University Hospital; 203217; N/A; N/A; 113502; 327616; 12305
    Objective: Totally implantable venous access ports (TIVAPs) are widely preferred for oncology patients who need chemotherapy. Although peripheral cannula or catheter in a large vein may help chemotherapy treatment; some complications such as vascular irritation, thrombosis may interrupt the treatment. To avoid this interruption, TIVAPs are usually preferred. The aim of the study was to evaluate device related complications and safety with anesthesia team implanted TIVAPs. Methods: This retrospective study was conducted on patients who underwent procedure for implantation of TIVAPs in our hospital between the dates of January 2017 - December 2020. The demographic data, vascular access side, complications seen related to TIVAPs insertion procedure, the number of removed catheters, reasons of removal of catheters were recorded. Results: During this study period 700 TIVAPs procedure have been performed in our clinic. While 646 patients (92.3%) had right sided TIVAPs, 678 patients (96.8%) had TIVAPs inserted to subclavian vein. When the most common cancer seen in this patient group was colorectal cancer, hepatobiliary tract cancer group came second. Total number of removed catheters for some reasons was 107 which is 15.2% of all patients. When the causes for catheter removal were examined, it was discovered that although systemic infection was the most common reason (47 patients, or 6.7%), the number of patients with positive culture from the port was extremely rare (19 patients) (2.71%). Conclusion: We think that when TIVAPs are inserted under ultrasound guidance and fluoroscopy control in the operating room, the incidence of complications will be relatively low. Especially in cancer patients, TIVAPs can be inserted and used safely with high patient comfort. © 2022 Anestezi Dergisi. All rights reserved./ Öz: Amaç: Tamamen implante edilebilir venöz erişim portları (TIEVEP), kemoterapiye ihtiyaç duyan onkoloji hastaları için yaygın olarak tercih edilmektedir. Büyük periferik kanül veya kateterler kemoterapi tedavisini kolaylaştırsa da damar yolu irritasyonu ve tromboz gibi bazı komplikasyonlar tedaviyi kesintiye uğratabilir. Bu kesintiyi engellemek için genellikle TIEVEP’ler tercih edilir. Bu çalışmanın amacı anestezi ekibi tarafından yerleştirilen TIEVEP’lerin cihaz ile ilişkili komplikasyonlarını ve güvenliğini araştırmaktır. Yöntem: Bu retrospektif çalışma, Ocak 2017 - Aralık 2020 tarihleri arasında hastanemizde TIEVEP implantasyonu yapılan hastalar üzerinde yapılmıştır. Demografik veriler, kateter takılan taraf, görülen komplikasyonlar, çıkarılan TIEVEP sayısı, çıkarma nedenleri kaydedilmiştir Bulgular: Bu çalışma süresince kliniğimizde 700 TIEVEP takılmıştır. Altı yüz kırk altı hastada (%92,3) sağ TIEVEP varken, 678 hastada (%96,8) TIEVEP subklavyen vene yerleştirilmiştir. Bu hasta grubunda en sık görülen kanser kolorektal kanser iken, hepatobiliyer sistem kanseri grubu ikinci sırada yer aldı. Yüz yedi olguda (%15,2) çeşitli nedenlerle kateter çıkarılmıştır. Kateter çıkarılma nedenleri araştırıldığında her ne kadar 47 hasta (%6,7) ile en sık neden sistemik enfeksiyonsa da, TIEVEP’den alınan örneklerde kültür pozitif olan hasta sayısının 19 (%2,71) olduğu görülmüştür. Sonuç: Tamamen implante edilebilir venöz erişim portlarının ameliyathanede ultrason rehberliğinde ve floroskopi kontrolünde yerleştirilmesi durumunda komplikasyon insidansının oldukça düşük olacağını düşünüyoruz. Özellikle kanser hastalarına TIEVEP’ler yüksek hasta konforuyla güvenle yerleştirilebilir ve kullanılabilir.
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    Correlation between blood lactate and regional cerebral oxygen saturation in complex cardiac pathology neonates and infants: the effect on extubation time and ICU stay
    (Scientific Publishers of India, 2017) Karaaslan, Pelin; Gokay, Banu Vural; Hizarci, Burcu; Ozyuksel, Arda; Akcevin, Atif; N/A; N/A; N/A; Ünlükaplan, Aytekin; Darçın, Kamil; Bozkaya, Tijen Alkan; Doctor; Teaching Faculty; Doctor; N/A; School of Medicine; N/A; Koç University Hospital; N/A; Koç University Hospital; N/A; 203217; 143793
    Background: The monitoring of regional cerebral O2 saturation (rSO2) with near-infrared spectroscopy (NIRS) is a noninvasive technique to measure tissue oxygenation in the brain. It may be an effective monitoring technique in the early diagnosis of pre-, intra- and post-operative insufficient oxygen supply to the brain in surgery for congenital heart diseases. In pediatric patients, a variety of clinical and laboratory parameters, including serum lactate and regional cerebral oxygen saturation, may be helpful in monitoring global tissue and cerebral oxygen delivery and consumption. Aim: Our study was designed to investigate whether there is a correlation between the NIRS scores and serum lactate levels during congenital heart surgery. Our secondary objective was to define the predictive value of this correlation on the duration of extubation and intensive care unit stay. Method: A total of 82 successive neonatal and infant patients with complex cardiac pathologies were enrolled in the study. Blood lactate levels and NIRS values were measured during the phases of anesthesia induction, sternotomy, cannulation, onset of CPB, the beginning of aortic cross-clamping and the end of the CPB. Study Design: Prospective randomized Results: Patients with normal rSO2 /normal lactate during the operation represented the largest percentage of patients during anesthesia induction (n=50, 60.9%) and sternotomy (n=54, 65.8%). The only negative correlation between lactate and rSO2 was detected during anesthesia induction. The time to extubation and the stay in the intensive care unit were longer in patients with low rSO2 values during anesthesia induction and sternotomy. In the same periods, elevated lactate levels were associated with longer time to extubation and intensive care unit stay than the patients with normal lactate levels. Conclusion: In our study, no correlation was demonstrated between NIRS scores and serum lactate levels in children during congenital heart surgery, except for anesthesia induction. The only negative correlation between the decrease in NIRS scores and the increase in serum lactate levels was observed during anesthesia induction. This result indicated that cerebral NIRS monitoring cannot be used as an indicator of global hypoperfusion in the same way as lactate.
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    Single level bilateral ESPB provides effective analgesia for both lower and upper laparoscopic abdominal surgeries
    (Elsevier Science Inc, 2020) Karakaya, Arif; N/A; N/A; N/A; N/A; N/A; Ünlükaplan, Aytekin; Darçın, Kamil; Çetin, Seçil; Gürkan, Yavuz; Erçelen, Ömür; Doctor; Teaching Faculty; Doctor; Faculty Member; Faculty Member; Koç University Hospital; School of Medicine; Koç University Hospital; School of Medicine; School of Medicine; N/A; 203217; N/A; 154129; 12305
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    PublicationOpen Access
    Effects of varying entry points and trendelenburg positioning degrees in internal jugular vein area measurements of newborns
    (Medknow Publications, 2018) Karaaslan, P.; Örmeci, T.; Karakaya, M. A.; İnce, A.; Aslan, N. A.; Taştekin, A.; Darçın, Kamil; Teaching Faculty; Koç University Hospital
    Background: Recent guidelines from the National Institute for Clinical Excellence recommend the use of ultrasonography in the central venous catheterization of children. In this study, we aimed to compare area measurements using ultrasonography and efficiency of varying Trendelenburg degrees on the area measurements, for two different entry points used as internal jugular vein (IJV) cannulation points in newborns. Methods: Fifty-eight healthy newborns, weighing between 3000 and 3500 g, were recruited for this prospective study. Right IJV (RIJV) consecutive measurements were performed in three different Trendelenburg positions at 0 degrees, 15 degrees, and 30 degrees, at two different entry points: The superior approach and an inferior approach. The landmark used in the superior approach was the top of the triangle formed by the two heads of the sternocleidomastoid muscle with the clavicle; while in the inferior approach, it was taken as the midpoint of the clavicle, as measured from the upper edge of the clavicle. Results: The cross-sectional area (CSA) of the RIJV was significantly increased when using the inferior approach, compared to that in the superior approach, in all Trendelenburg degrees, including the neutral position. Both 15 degrees and 30 degrees Trendelenburg positioning resulted in a significant increase in CSA, both in superior and inferior approaches, when compared to neutral positioning. Conclusion: The use of 15 degrees Trendelenburg positioning may have significant advantage for increasing the CSA when used with the inferior approach.
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    PublicationOpen Access
    Comparison of the trendelenburg position versus upper-limb tourniquet on internal jugular vein diameter
    (Medknow Publications, 2017) Karaaslan, P.; Gokay, B. V.; Karakaya, M. A.; Karakaya, A. D.; Ormeci, T.; Kose, E. A.; N/A; Darçın, Kamil; Teaching Faculty; School of Medicine
    BACKGROUND: Central venous cannulation is a necessary invasive procedure for fluid management, haemodynamic monitoring and vasoactive drug therapy. The right internal jugular vein (RIJV) is the preferred site. Enlargement of the jugular vein area facilitates catheterization and reduces complication rates. Common methods to enlarge the RIJV cross-sectional area are the Trendelenburg position and the Valsalva maneuver. OBJECTIVE: Compare the Trendelenburg position with upper-extremity venous return blockage using the tourniquet technique. DESIGN: Prospective clinical study. SETTING: University hospital. SUBJECTS AND METHODS: Healthy adult volunteers (American Society of Anesthesiologists class I) aged 18-45 years were included in the study. The first measurement was made when the volunteers were in the supine position. The RIJV diameter and cross-sectional area were measured from the apex of the triangle formed by the clavicle and the two ends of the sternocleidomastoid muscle, which is used for the conventional approach. The second measurement was performed in a 20 degrees Trendelenburg position. After the drainage of the veins using an Esbach bandage both arms were cuffed. The third measurement was made when tourniquets were inflated. MAIN OUTCOME MEASURE(S): Hemodynamic measurements and RIJV dimensions. RESULTS: In 65 volunteers the diameter and cross-sectional area of the RIJV were significantly widened in both Trendelenburg and tourniquet measurements compared with the supine position (P<.001 for both measures). Measurements using the upper extremity tourniquet were significantly larger than Trendelenburg measurements (P=.002 and <.001 for cross-sectional area and diameter, respectively). CONCLUSION: Channelling of the upper-extremity venous return to the jugular vein was significantly superior when compared with the Trendelenburg position and the supine position. LIMITATIONS: No catheterization and study limited to healthy volunteers.