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  1. Article: Effect of pre-operative weight loss on patients' outcomes undergoing laparoscopic sleeve gastrectomy.

    Sen, Ozan / Türkçapar, Ahmet Gökhan

    Journal of minimal access surgery

    2022  Volume 18, Issue 2, Page(s) 260–263

    Abstract: Background: The study aims to demonstrate whether weight loss with a low-calorie diet before laparoscopic sleeve gastrectomy (LSG) may affect the outcomes.: Materials and methods: A total of 305 patients undergoing primary LSG were included in the ... ...

    Abstract Background: The study aims to demonstrate whether weight loss with a low-calorie diet before laparoscopic sleeve gastrectomy (LSG) may affect the outcomes.
    Materials and methods: A total of 305 patients undergoing primary LSG were included in the study. Each patient adopted a low-calorie diet (1000 calories) before LSG. The patients were stratified into two groups. Group A: Those who lost 3% or more of their total body weight loss (TBWL), Group B: Those who lost <3% of their TBWL. Two groups were compared in terms of operative time, length of hospital stay, complications and weight loss outcomes.
    Results: One hundred and five patients (35%) were in Group A and 200 patients were in Group B. Median weight loss was 4 kg (3-20 kg). Pre-operative mean body mass index (BMI) was 40 ± 7.4 kg/m
    Conclusion: Weight loss before LSG does not improve post-operative weight loss.
    Language English
    Publishing date 2022-03-07
    Publishing country India
    Document type Journal Article
    ZDB-ID 2186884-0
    ISSN 1998-3921 ; 0972-9941
    ISSN (online) 1998-3921
    ISSN 0972-9941
    DOI 10.4103/jmas.JMAS_297_20
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Gastric Botulinum Toxin-A Application for Weight Loss Therapy.

    Şen, Ozan / Türkçapar, Ahmet Gökhan

    The Turkish journal of gastroenterology : the official journal of Turkish Society of Gastroenterology

    2021  Volume 32, Issue 1, Page(s) 66–69

    Abstract: Background/aims: The aim of this study is to share the results of gastric botulinum toxin (BTX) application in individuals who are overweight or type 1 obese without comorbidity.: Materials and methods: In this study, 13 patients were included who ... ...

    Abstract Background/aims: The aim of this study is to share the results of gastric botulinum toxin (BTX) application in individuals who are overweight or type 1 obese without comorbidity.
    Materials and methods: In this study, 13 patients were included who were enrolled for gastric BTX application for the first time. A total of 300 U of BTX-A (Allergan Botox ®1 vial 100 U) was diluted with 8 mL of 0.9% NaCl saline, and antrum (100 U to 8 spots), corpus (100 U to 8 spots), and fundus (100 U to 8 spots) regions were injected intramuscularly. Patients were given a 1200-calorie low-carb diet and this was followed for 6 months.
    Results: Gastric BTX application was applied to 13 patients with a mean age of 40.9 ± 5.2 (85% female), a mean body mass index (BMI) of 28.41 ± 1.4 kg/m2 (26-31.6) and a mean excess weight of 10.1 ± 3.6 kg. As a result of the 6-month follow-up, only four patients (30.8%) were able to lose more than 50% of their excess weight (6-15 kg). Six patients (46.2%) could not lose any weight. There was an average decrease of 3.3 kg in the weight of patients before and after BTX application (P = .03). A mean decrease of BMI was detected, 1.17 kg/m2 (P = .032).
    Conclusion: It was concluded that the application of gastric BTX for weight loss does not provide effective results.
    MeSH term(s) Adult ; Body Mass Index ; Botulinum Toxins, Type A/administration & dosage ; Caloric Restriction ; Diet, Carbohydrate-Restricted ; Female ; Humans ; Injections, Intramuscular ; Male ; Middle Aged ; Neuromuscular Agents/administration & dosage ; Obesity/diet therapy ; Obesity/drug therapy ; Overweight/diet therapy ; Overweight/drug therapy ; Stomach/drug effects ; Treatment Outcome ; Weight Loss/drug effects
    Chemical Substances Neuromuscular Agents ; Botulinum Toxins, Type A (EC 3.4.24.69)
    Language English
    Publishing date 2021-04-23
    Publishing country Turkey
    Document type Journal Article
    ZDB-ID 1340275-4
    ISSN 2148-5607 ; 1300-4948
    ISSN (online) 2148-5607
    ISSN 1300-4948
    DOI 10.5152/tjg.2020.20076
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    In stock of ZB MED Cologne/Königswinter

    Zs.A 4524: Show issues Location:
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  3. Article ; Online: Effect of Corrective Exercise on Static Balance, Food Consumption, and Body Composition in the Early Period After Bariatric Surgery.

    Cetin, Dilara / Kucuk Yetgin, Meral / Turkcapar, Ahmet Gokhan / Koksalan, Burke / Durmaz, Sena

    Obesity surgery

    2024  Volume 34, Issue 5, Page(s) 1449–1463

    Abstract: Purpose: To determine the impact of corrective exercise program applied during the period of rapid weight loss following bariatric surgery on static balance, dietary intake, and body composition.: Materials and methods: Participants who had undergone ...

    Abstract Purpose: To determine the impact of corrective exercise program applied during the period of rapid weight loss following bariatric surgery on static balance, dietary intake, and body composition.
    Materials and methods: Participants who had undergone Sleeve Gastrectomy (SG) surgery were divided into as Corrective Exercise Group (CEG), and Control Group (CG). CEG underwent a 12-week supervised corrective exercise program. Body composition and static balance of all participants were assessed before and after the study. Their physical activity levels and dietary intake were also evaluated.
    Results: Following of the corrective exercise program, both groups exhibited significant reductions in body weight, BMI, fat mass, fat percentage, muscle mass, waist circumference-to-height ratio, and visceral adiposity values (p < 0.05). Additionally, the CEG showed increase in lean body mass percentage (p < 0.001). In measurements related to static balance, values for eyes-closed perimeter (p = 0.015), eyes-closed (p = 0.006), eyes-open (p = 0.028) ellipses area, average F-B speed, and eyes-open center of pressure in the X-axis (C.O.P.X.) sway distance significantly decreased in both groups (p = 0.025). However, the difference in eyes-open C.O.P.X. sway distance was found to be higher in the CG (mean difference = 8.67; p = 0.034). Postoperatively, there were significant decreases in energy, protein, fat, CHO (carbohydrate), CHO percentage, fiber, and iron values, while protein percentage (p < 0.001), vitamin D (p = 0.003), and B12 (p < 0.001) values increased.
    Conclusion: It has been observed that the corrective exercise program implemented in the early postoperative period following SG surgery had a positive impact on eyes-open static balance.
    MeSH term(s) Humans ; Obesity, Morbid/surgery ; Body Composition/physiology ; Bariatric Surgery ; Exercise/physiology ; Eating ; Body Mass Index
    Language English
    Publishing date 2024-03-06
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1070827-3
    ISSN 1708-0428 ; 0960-8923
    ISSN (online) 1708-0428
    ISSN 0960-8923
    DOI 10.1007/s11695-024-07136-1
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    In stock of ZB MED Cologne/Königswinter

    Zs.A 3381: Show issues Location:
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  4. Article: Combined partial posterior fundoplication with laparoscopic sleeve gastrectomy for morbid obese patients with symptomatic GERD. Video case report.

    Şen, Ozan / Türkçapar, Ahmet Gökhan

    International journal of surgery case reports

    2020  Volume 71, Page(s) 34–36

    Abstract: İNTRODUCTION: Gastroesophageal reflux disease (GERD), which can be seen in up to 30% in postoperative series, is perhaps the most important complication of sleeve gastrectomy(SG). The general trend for patients who are planning to have bariatric surgery ... ...

    Abstract İNTRODUCTION: Gastroesophageal reflux disease (GERD), which can be seen in up to 30% in postoperative series, is perhaps the most important complication of sleeve gastrectomy(SG). The general trend for patients who are planning to have bariatric surgery and have symptomatic GERD, Roux-en-Y gastric bypass is the most common choice. CASE PRESENTATION AND MANAGEMENT: A 42-year-old female patient with a body mass index of 36 kg/m
    Language English
    Publishing date 2020-05-08
    Publishing country Netherlands
    Document type Case Reports
    ISSN 2210-2612
    ISSN 2210-2612
    DOI 10.1016/j.ijscr.2020.04.016
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  5. Article ; Online: Hair Loss After Sleeve Gastrectomy and Effect of Biotin Supplements.

    Şen, Ozan / Türkçapar, Ahmet Gökhan

    Journal of laparoendoscopic & advanced surgical techniques. Part A

    2020  Volume 31, Issue 3, Page(s) 296–300

    Abstract: Aim: ...

    Abstract Aim:
    MeSH term(s) Adult ; Alopecia/drug therapy ; Alopecia/etiology ; Biotin/blood ; Biotin/deficiency ; Biotin/therapeutic use ; Dietary Supplements ; Female ; Gastrectomy/adverse effects ; Gastrectomy/methods ; Humans ; Incidence ; Laparoscopy/adverse effects ; Male ; Middle Aged ; Obesity, Morbid/surgery ; Postoperative Period ; Vitamin B Complex/therapeutic use ; Vitamin B Deficiency/drug therapy ; Vitamin B Deficiency/etiology
    Chemical Substances Vitamin B Complex (12001-76-2) ; Biotin (6SO6U10H04)
    Language English
    Publishing date 2020-08-05
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1381909-4
    ISSN 1557-9034 ; 1092-6429
    ISSN (online) 1557-9034
    ISSN 1092-6429
    DOI 10.1089/lap.2020.0468
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    In stock of ZB MED Cologne/Königswinter

    Zs.A 3246: Show issues Location:
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  6. Article: Finding carcinoid tumor before bariatric surgery. Is preoperative endoscopy necessary? Case report.

    Şen, Ozan / Türkçapar, Ahmet Gökhan

    International journal of surgery case reports

    2019  Volume 62, Page(s) 132–134

    Abstract: Introduction: Carcinoid tumors are endocrine system-related lesions and 4% of the gastrointestinal tract's neuroendocrine tumors (NET) originate from stomach. In recent years, gastric carcinoid tumors have been reported at increasing rates on ... ...

    Abstract Introduction: Carcinoid tumors are endocrine system-related lesions and 4% of the gastrointestinal tract's neuroendocrine tumors (NET) originate from stomach. In recent years, gastric carcinoid tumors have been reported at increasing rates on endoscopies. In this article, we will present a case of gastric carcinoid tumor detected at the upper gastrointestinal (GI) endoscopy during preoperative bariatric surgery workup.
    Case presentation: A 55 years old male patient with body mass index (BMI) 46 kg/m
    Discussion: The routine use of upper GI endoscopy in preoperative evaluation of bariatric surgery patients still remains controversial.
    Conclusion: Upper GI endoscopy is very important in determining various gastric pathologies and determining the most appropriate surgical method before bariatric surgery.
    Language English
    Publishing date 2019-08-20
    Publishing country Netherlands
    Document type Journal Article
    ISSN 2210-2612
    ISSN 2210-2612
    DOI 10.1016/j.ijscr.2019.08.011
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  7. Article: Porto-mesenteric vein thrombosis after laparoscopic sleeve gastrectomy. A case report.

    Şen, Ozan / Kara, Simay / Türkçapar, Ahmet Gökhan

    International journal of surgery case reports

    2021  Volume 79, Page(s) 424–427

    Abstract: İNTRODUCTION AND IMPORTANCE: Porta-mesenteric vein thrombosis (PMVT) is a rare but fatal complication in patients who are undergoing bariatric surgery. In this report, we present a rare case of a PMVT after laparoscopic sleeve gastrectomy (LSG).: Case ... ...

    Abstract İNTRODUCTION AND IMPORTANCE: Porta-mesenteric vein thrombosis (PMVT) is a rare but fatal complication in patients who are undergoing bariatric surgery. In this report, we present a rare case of a PMVT after laparoscopic sleeve gastrectomy (LSG).
    Case presentation: A 52-year-old male patient with a body mass index of 42 kg/m
    Clinical discussion: İn LSG, if the gastroepiploic venous arcus, which runs along the greater curvatura, and has a direct connection to the portal circulation is damaged, a local thrombus may form and move towards the portal system over time. Dehydration is another significant predisposing factor for PMVT. Some patients may develop life-threatening intestinal ischemia. Abdominal tomography with contrast plays a major role in diagnosis.
    Conclusion: PMVT should be considered as a serious complication after LSG in patients with abdominal pain. With early diagnosis and anticoagulant therapy, patients's clinical symptoms may improve quicly.
    Language English
    Publishing date 2021-01-26
    Publishing country Netherlands
    Document type Case Reports
    ISSN 2210-2612
    ISSN 2210-2612
    DOI 10.1016/j.ijscr.2021.01.086
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  8. Article ; Online: Nutritional Deficiencies in Morbid Obese Patients Before and After Laparoscopic Sleeve Gastrectomy.

    Şen, Ozan / Çetin, Dilara / Dumanlı, Göknel / Türkçapar, Ahmet Gökhan

    The Turkish journal of gastroenterology : the official journal of Turkish Society of Gastroenterology

    2022  Volume 33, Issue 10, Page(s) 885–890

    Abstract: Background: This study aims to assess the prevalence of preoperative and postoperative nutritional deficiencies and associated factors in patients who are eligible for laparoscopic sleeve gastrectomy.: Methods: Patients who underwent primary ... ...

    Abstract Background: This study aims to assess the prevalence of preoperative and postoperative nutritional deficiencies and associated factors in patients who are eligible for laparoscopic sleeve gastrectomy.
    Methods: Patients who underwent primary laparoscopic sleeve gastrectomy between December 2018 and April 2020 were included in the study. All patients were screened by detailed laboratory tests pre- and post-laparoscopic sleeve gastrectomy 6th and 12th months. Patients' data, which were recorded prospectively, were analyzed retrospectively.
    Results: A total of 228 patients were included in the study. The mean age was 39 ± 11.5 (60% female), and the mean body mass index was 41.2 ± 6.3 kg/m2. In the preoperative period, anemia was detected in 20 female patients (9%), low ferritin levels were detected in 25%, B12 and folic acid deficiencies were detected in 2.6% and 12.3%, respectively, and vitamin D deficiency was detected in 76% of the patients. During the postoperative follow-up, 77% of the patients received multivitamin supplements regularly. Mean body mass index regressed to 27.1 ± 4.2 kg/m2 in the first year. Incidence of anemia was found at 4.8%, low ferritin levels were 14%, folate deficiency was 5.3%, B12 deficiency was 5.3%, and vitamin D deficiency was 25% in the 12th month. Vitamin A, zinc, biotin, and thiamine deficiencies were 8.8%, 6.6%, 11%, and 2.2% in the 12th month, respectively.
    Conclusion: In the preoperative period, we detected significant deficiencies in some vitamins. The incidence of de novo vitamin deficiency during post-laparoscopic sleeve gastrectomy follow-up was low. Regular multivitamin-multimineral use may have an effect on this.
    MeSH term(s) Adult ; Biotin ; Female ; Ferritins ; Folic Acid ; Gastrectomy/adverse effects ; Humans ; Laparoscopy/adverse effects ; Male ; Malnutrition/epidemiology ; Malnutrition/etiology ; Middle Aged ; Obesity, Morbid/complications ; Obesity, Morbid/surgery ; Retrospective Studies ; Vitamin A ; Vitamin D Deficiency/complications ; Vitamins ; Zinc
    Chemical Substances Vitamins ; Vitamin A (11103-57-4) ; Biotin (6SO6U10H04) ; Ferritins (9007-73-2) ; Folic Acid (935E97BOY8) ; Zinc (J41CSQ7QDS)
    Language English
    Publishing date 2022-08-10
    Publishing country Turkey
    Document type Journal Article
    ZDB-ID 1340275-4
    ISSN 2148-5607 ; 1300-4948
    ISSN (online) 2148-5607
    ISSN 1300-4948
    DOI 10.5152/tjg.2022.21935
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    In stock of ZB MED Cologne/Königswinter

    Zs.A 4524: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
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    Jg. 1995 - 2021: Lesesall (2.OG)
    ab Jg. 2022: Lesesaal (EG)

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  9. Article: Effect of laparoscopic sleeve gastrectomy on platelet count and mean platelet volume.

    Sen, Ozan / Oray, Seref / Çalikoglu, Ismail / Sekmen, Ümit / Türkçapar, Ahmet Gökhan

    Journal of minimal access surgery

    2023  Volume 19, Issue 4, Page(s) 489–492

    Abstract: Objective: Several studies have reported an increase in platelet (PLT) count with chronic inflammation in the presence of obesity. Mean platelet volume (MPV) is an important marker for PLT activity. Our study aims to demonstrate if laparoscopic sleeve ... ...

    Abstract Objective: Several studies have reported an increase in platelet (PLT) count with chronic inflammation in the presence of obesity. Mean platelet volume (MPV) is an important marker for PLT activity. Our study aims to demonstrate if laparoscopic sleeve gastrectomy (LSG) has any effect on PLT, MPV and white blood cells (WBCs).
    Methods: A total of 202 patients undergoing LSG for morbid obesity between January 2019 and March 2020 who completed at least 1 year of follow-up were included in the study. Patients' characteristics and laboratory parameters were recorded preoperatively and were compared in the 6
    Results: Two hundred and two patients (50% - female) with a mean age of 37.5 ± 12.2 years and mean pre-operative body mass index (BMI) of 43 (34.1-62.5) kg/m
    Conclusion: Our study has shown a significant decrease in circulating PLT and WBC levels while MPV remained unchanged after LSG.
    Language English
    Publishing date 2023-06-07
    Publishing country India
    Document type Journal Article
    ZDB-ID 2186884-0
    ISSN 1998-3921 ; 0972-9941
    ISSN (online) 1998-3921
    ISSN 0972-9941
    DOI 10.4103/jmas.jmas_301_22
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  10. Article ; Online: Screening Esophagogastroduodenoscopy Before Laparoscopic Sleeve Gastrectomy: Results in 819 Patients.

    Şen, Ozan / Türkçapar, Ahmet Gökhan / Yerdel, Mehmet Ali

    Journal of laparoendoscopic & advanced surgical techniques. Part A

    2020  Volume 31, Issue 6, Page(s) 672–675

    Abstract: Aim: ...

    Abstract Aim:
    MeSH term(s) Adult ; Body Mass Index ; Clinical Decision-Making ; Duodenitis/diagnostic imaging ; Endoscopy, Digestive System ; Female ; Gastrectomy/methods ; Gastritis/diagnostic imaging ; Helicobacter Infections/diagnostic imaging ; Helicobacter pylori ; Hernia, Hiatal/diagnostic imaging ; Humans ; Laparoscopy ; Male ; Middle Aged ; Obesity, Morbid/surgery ; Preoperative Care ; Preoperative Period ; Retrospective Studies
    Language English
    Publishing date 2020-09-02
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1381909-4
    ISSN 1557-9034 ; 1092-6429
    ISSN (online) 1557-9034
    ISSN 1092-6429
    DOI 10.1089/lap.2020.0541
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    In stock of ZB MED Cologne/Königswinter

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