Education:

2009 - 2014, Numune Training and Research Hospital in Ankara, Turkey General Surgeon Residency
2001 - 2009, Osmangazi University School of Medicine in Eskisehir, Turkey GP Training

Work History:
2021 - currently, Medicine Hospital in Istanbul, Turkey General Surgeon with an emphasis on Bariatric surgeries
2018 - 2021, Bozok University Hospital in Yozgat, Turkey General Surgeon with an emphasis on Bariatric surgeries
2015 - 2018, Elbistan State Hospital in Kahramanmaras, Turkey General Surgeon

A Member of:

  • Bariatric and Metabolic Surgery Association
  • Turkish Surgery Association
  • Turkish Medical Association
  • Turkish Bariatric Surgery Association

Publications:

  • Katar MK , Baser M, Ersoy PE. Appendectomy in Morbidly Obese Patients: Laparoscopic Versus Conventional Technique. Med Sci Monit, 2020; 26: e928067.
  • Şahin E, Katar MK , Haberal Can İ. Impact of gastric Helicobacter pylori infection on nasal mucociliary clearance. European Archives of Oto-Rhino-Laryngology 2020;277:2761–5.
  • Ekiz T, Yeğin SF, Katar MK , Genç Ö, Genç S. 25-Hydroxyvitamin D levels and bone mineral density evaluation in patients with cholecystectomy: a case-control study. Archives of Osteoporosis 2018;13(1):14.
  • Yildiz B, Katar K, Hamamcı O. Efficacy of laparoscopic sleeve gastrectomy for the treatment of obesity in a non-Western society. Eating and weight disorders. 2016;21(4):695-9.
  • Kayılıoğlu SI, Dinç T, Sözen İ, Şenol K , Katar K, Karabeyoğlu M, Tez M, Coşkun F. Thyroid Nodules with Atypia or Follicular Lesions of Undetermined Significance (AUS/FLUS): Analysis of Variables Associated with Outcome. Asian Pacific journal of cancer prevention 2014;15(23):10307-11.
  • Katar MK , Baser M. Relationship Between Mastalgia And Anxiety- Depression: An Observational Study. Cureus 2021;13(1): e12734.
  • Katar MK , Ersoy P. Is Previous Upper Abdominal Surgery a Contraindication for Laparoscopic Cholecystectomy?. Cureus 2021;13(4): e14272.
  • Katar MK , Songur MS. Comparison of intraocular pressure change in patients under sedation assisted and sedation-free upper gastrointestinal endoscopy. Ann Clin Anal Med 2021;12(4):428-32.
  • Baser M, Katar MK . Characteristics and outcomes of acute appendicitis cases during the COVID-19 pandemic. Ann Clin Anal Med 2021;12(5):512-6.
  • Dinc T, Kayilioglu SI, Katar K , Yildirim O, Cete M, Unal DT,Coskun F. Pyoderma gangrenosum after umblical hernia repair. Surg chron 2015;20(1):249-50.
  • Şenol K, Qatar K, Yüksel C, Saylam B, Thesis M. Prediction of Malignancy in Bethesda Category III Nodules: Application of Thyroid Imaging Reporting System. Am Surg 2015;81(11):E351-2.
  • Evaluation of Interventional Procedures Performed by a Single Surgeon in Katar MK , Talih T. Bozok University Hospital Endoscopy Unit. 1st International Ahi Evran Medicine and Health Science Congress. Page 103. Kırşehir, 2019.
  • Birben B, Yalaza M, Katar K , Tez M. Long-Term Survival Analysis of Patients Undergoing Pancreaticoduodenectomy for Periampullary Cancer. 1st International Ahi Evran Medicine and Health Science Congress. Page 56. Kırşehir, 2019
  • Katar MK(2019). Gastric cancer. Editor Omer Alabaz. Current General Surgery Studies I. Academician Bookstore. Ankara. SS: 187-203.
  • Katar MK (2020). The Role of Surgery in the Diagnosis, Functional Evaluation and Treatment of Pancreatic Neuroendocrine Tumors. Editor Huseyin Ozgur Aytac. Surgery of Gastrointestinal System Cancers. Academician Bookstore. Ankara. SS: 401-414.
  • Katar MK (2021). Diverticular Disease. Editor Bulent Cavit Yuksel. General Surgery/ The Handbook of Colon & Rectum. Ankara Nobel Medicine Bookstores. Ankara. SS:83-85.
  • Talih T, Katar MK(2020). Approach to The Patient With Acute Mechanical Intestinal Obstruction. Editors Ramazan Topcu & Hülya Topcu. Approach to General Surgical Emergencies. Ankara Nobel Medicine Bookstores. Ankara. SS:77-81.
  • Katar MK , Hamamcı M. Does Constipation Have An Effect On Cognitive Functions? A Prospective Clinical Study. Bozok Medical Journal 2021;11(1):77-83.
  • Katar MK , Tikici D. Abdominal wall endometriosis; A retrospective, observational study. Turk J Clin Lab 2021;1:37-41.
  • Katar MK , Baser M, Ersoy PE. What is the Role of Laparoscopy in Peptic Ulcer Perforation Repair?. Bozok Medical Journal 2020;10(4):84-90.
  • Özden S, Turan UF, Katar MK, Temiz A, Er S. Hartmann Clinical course after colostomy closure. Turk J Clin Lab 2020;4:270-273.
  • Erdogan A, Turkan A, Kilinc U, Katar MK . Hernia Repair with Laparoscopic Transabdominal Preperitoneal (TAPP) Method; District State Hospital Clinical Results. Acta Oncologica Turcica 2018;51(3):353-6.
  • Katar MK , Başer M, Ersoy PE, Dinç S. Analysis of 100 Consecutive General Surgery Consultations Requested from the Emergency Department at Bozok University Hospital. 12th National Trauma and Emergency Surgery Congress with International Participation. SB - 54. Antalya, 2019.
  • Katar MK, Başer M. Which One Should We Prefer in Recurrent Inguinal Hernia Repair After Open Surgery? Open or Laparoscopic? Proceedings of the 10th Surgical Research Congress. Page 24. Malatya, 2019.
  • Katar MK , Yuksel C, Yildiz BD. Efficacy of Sleeve Gastrectomy in Superobese Patient Group. Proceedings of the 19th National Surgery Congress. Page 401. Antalya, 2014.
  • Katar MK , Başer M. Comparison of Open and Laparoscopic Surgery in Peptic Ulcer Perforation Repair. Proceedings of the 10th Surgical Research Congress. Page 33. Malatya, 2019.
  • Katar MK. Our results of early and late cholecystectomy in mild biliary pancreatitis. Turkish Hepato-Pancreato-Biliary Surgery Association March 7, 2020 Çorum Regional Meeting Hitit University Medical Faculty Journal. Page 2-3. Çorum, 2020.
  • Katar MK , Ersoy PE. Our Laparoscopic Cholecystectomy Results in the Elderly Population. Turkish Hepato-Pancreato-Biliary Surgery Association March 7, 2020 Çorum Regional Meeting Hitit University Medical Faculty Journal. Pages 27-29. Çorum, 2020.
  • Kılınç U, Erdoğan A, Türkan A, Katar MK . Our Colonoscopic Polypectomy Results in the District State Hospital Endoscopy Unit. Proceedings of the 2nd National Gastrointestinal Research Congress. Pages 268-269. Malatya, 2018
  • Başer M, Katar MK, Ersoy PE, Dinç S. A Rare Cause of Acute Appendicitis, Ascaris Lumbricoides: A Case Report. 12th National Trauma and Emergency Surgery Congress with International Participation. SB-55. Antalya, 2019.
  • Katar MK . Management of Penetrating Suprarenal Vena Cava Inferior Injury in Second Stage State Hospital; Case Presentation. 1st International Ahi Evran Medicine and Health Science Congress. Page 670. Kırşehir, 2019.
  • Katar MK , Başer M, Ersoy PE, Dinç S. A Case Report of Midgut Volvulus in an Adult Patient. 12th National Trauma and Emergency Surgery Congress with International Participation. EP-62. Antalya, 2019.
  • Aktürk OM, Karabeyoğlu SM , Katar MK , Çelik C, Özdemir Ü. Rectus Sheath Hematoma. Proceedings of the 19th National Surgery Congress. Page 620. Antalya, 2014.
  • Çelik C, Dağlar G, Yüksel C, Katar MK , Özsoy A, Arıcan P, Tekin B. Comparison of Localization Techniques in Non-palpable Breast Lesions. Proceedings of the 20th National Surgery Congress. Antalya,2016

Operations that Mehmet Kagan Katar, MD specializes in:

  • Obesity Treatment including Gastric Sleeve Surgery, Gastric Bypass, Gastric Balloon, Stomach, and Mini Gastric Bypass.
  • Metabolic Type 2 Diabetes Surgery
  • Gallbladder and Biliary Tract Diseases Treatment
  • Anterior Abdominal Wall (Belly, Inguinal) and Hernia Treatment (Open and Laparoscopic)
  • Anal Region Diseases Treatment (Hemorrhoids, Anal Fissure, Anal Fistula)
  • Thyroid and Parathyroid Diseases Treatment
  • Breast Diseases Treatment
  • Colon Diseases and Colon Cancer Treatment (Open and Laparoscopic)
  • Stomach Diseases and Gastric Cancer Treatment (Open and Laparoscopic)
  • Endoscopic Diagnosis and Treatment Interventions (Gastroscopy, Colonoscopy, PEG)
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Booking Surgery
Jaide reviewed I had a fantastic experience with booking surgery

I had a fantastic experience with booking surgery from start to finish this is my 2nd time using booking surgery and medistanbul hospital and the service is absolutely fantastic from the transfer as soon as you arrive who is so friendly and super helpful to the staff when you arrive at the hospital the checks the cleanliness the 10/10 care from all nurses I just can’t thank them all enough I’ve had the best experience once again my procedure went amazing and my aftercare has been so so good you couldn’t ever get this sort of care in the uk honestly I’m quite sad to be leaving I’ve made friends for life also lily the translator took me to the mall next door and treated me to some food and iced tea and really took care of me I’m so over the moon with my healing after my operation dr yalcin is a magician and has been to see me daily to check on my wounds and my dressings and to check I’m ok the cleaners are in everyday cleaning the rooms and changing your bedding April also the translator who I met last time I was here is outstanding so kind friendly and polite and really makes too feel so comfrable I recommend booking surgery wholeheartedly I can’t wait to be back again and see them all I feel like there all one big family now thank you booking surger dr yalcin and medistanbul hospital

Zena reviewed I have had many surgeries with this…

I have had many surgeries with this company and I am already booked to come back for my teeth!! I just got home from having an arm lift and a few other nips and tucks. Dr yalcin is incredible!! I’m extremely hard work after any operation and an emotional mess but they inc him dealt with me very well. My coordinator Robert is an absolute sweetheart he was on hand 24/7 and still is. The translators especially Morgan and lily my favourites are so kind and very good at there jobs. David and Gemma came and checked on me as did basak the most kindest woman. She took my booking many years ago and she’s a wonderful woman. The hospital is 5* for cleanliness. Surgery is very scary for anyone especially on your own but I was looked after very well as I always am!! I paid an excellent price for my treatments and could not be more happy with my results so far. For me they was life changing parts of my body which needed fixing yalcin has gone above and beyond for me. I’m hoping to get my face done by the face doctor soner when I am old enough to need it he is unbelievably talented!! I will never book anywhere else thank you so much booking surgery for doing the best yet again!!

Bethany Mckenzie reviewed Thank you booking surgery

I had my surgery back in October 2023. I am now 7 months post op. I paid £2,345, excluding flights. They offer packing deals which includes flights too. They ask for a £300 online deposit, the rest you pay in sterling cash (ideally) but you can pay by card, it just means you have to pay a fee. The price includes... - Transfer from Istanbul Airport to the hospital - 4 nights/5 days stay in a fully-equipped room in the hospital - Translation services at the hospital - Pre-op tests, such as... . Blood tests . ECG . Chest x-rays . Ultrasound . Covid test -Consultation with doctors - Nursing care -Total anaesthesia -Laparoscopic Surgery using FDA-approved materials - One companion free of charge ( accommadation, all transfers) - 3 meals for both you and your companion - Full hospitalisation - Medication to take home They pick you up, they give you water and WiFi in the transfer mini bus. Depending on what hospital you go to, it'll take about an hour to get to there from the airport (I went to optimed) Once you're there, they check you in, take you to your room and talk you though the process of what's going to happen. A team on nurses come in and do all the pre op tests. They bring you dinner then you cant eat or drink after midnight. A nurse will then come round and do an enema (horrible). The next day, you go down for ultrasound. Then you meet your surgeon. I had Dr Ali Tardu - very well known in Turkey, really friendly happy guy, specialises in bariatric surgery. You also see an anaesthesia nurse to confirm you are able to have it done. Then the money man comes round. No money, no cutty as someone in our group put it. From there, you are left in the room, another nurse will come round with your hospital gown, compression socks and hairnet. By which time, they should be able to give you a rough idea on when your surgery will be. They collect you, give you a sedative on your way to the operation theater, wheal you in and transfer you onto the operation table then lights out. You wake up, you have these blue airboots on that keep the circulation going though your legs. I was very in and out of consciousness, extremely drowsy. My mouth and lips were dry. You can't drink water, but you can have a water spray to spray into your mouth. The nurse will come in give you pain medication and IV drip. When you start to feel better and up to it, you need to walk as much as you can up and down the hall to release some of the gas in your belly. Each day gets a little easier. By day 2, I went for a walk up to the shops (with a little bit of difficulty but I did it at my own pase). Remember everyone is different and some days will be better than others. They will give you a 'fit to fly note', all your blood work and notes in a folder and a card to carry with you so when you eat out you are able to get a smaller portion or something from the child's menu. You will get a bag of medicine such as.. - Stomach protectors - Blood thinner injections - Antibiotics - Painkillers All included with the price. You can also buy your operation video on usb which I did but haven't watched yet. I'm strange like that though! Why I chose this company I got cold feet before going ahead with booking. When I messaged my co ordinator this, his response was along the lines of ‘that’s okay, I understand this a big decision to make. I am here if you change your mind’. He didn’t push me with any promotional offers, trying to persuade me to change my mind like other companies did. I also love that it’s FULL hospital stay. They don’t ship you off to a hotel down the road. Robert was absolutely amazing. I would message with a question and he would answer with detailed answers and usually very quickly regardless of the time of day. He was so friendly too. My partner came with me as a companion (which was included in the price) and had a sofa/Z bed next to me in the hospital room. All the staff were super helpful, friendly and always happy to help. I’m so glad I chose this company, I have no negative feedback. Having this surgery has given me a new lease of life and I am unbelievably grateful. Thank you booking surgery, you literally saved my life!

tcallanan c allanan reviewed Happy patient 😀

I have used Booking Surgery for both Bariatric and Plastic surgery and based on my own personal experience I can not rate them highly enough and I would not use any other company going forward. When doing my research Booking Surgery was always the safest option for me with the added bonus of being cost effective. My coordinator Mike Smith was excellent from start to finish and was always very caring and prompt to reply and answer and questions that I had. They provide safe clean hospitals with 24 hour monitoring and care and their surgeons are some of the best in their field who put patients safety before money. There is always a Booking Surgery staff member or translator on site to help and they listen to patients feedback and act on it promptly. From what I can see they are constantly striving to improve and make sure their patients have a good and safe experience with them.

Jay Hayes reviewed From the moment I found the right…

From the moment I found the right coordinator Mike Smith he was so lovely and caring and understood how overwhelming it can all be, he was patient and gave me so much advice about the gastric sleeve and reassured me all will be OK, and it was fantastic care! The pick up from the airport to the hospital, all the team being caring and getting all the tests done , going at my speed making sure I was OK throughout it all. Getting checked on regularly, meeting my doctor Ali tardu and he too was so kind and took the time to meet me and so many others. 10/10 for the care received. Would definitely recommend and go back myself for other surgeries.

Sue Maloney reviewed From the moment I picked up the phone…

From the moment I picked up the phone to enquire about teeth surgery to the end of treatment I was welcomed and made to feel completely at ease at all times . Rosie was my coordinator and made sure the whole thing was stress free ,and an enjoyable experience, one to remember . She handed me over to Nora who is the coordinator once you arrive . She was such a great mentor always keeping me informed of my treatment and what it would involve . Not only did she work in work hours but she was available 24/7 for any queries or reservations that I may have had. She went above and beyond at all times making it an experience that was what I expected exciting and full of things to look forward to. The dental team worked alongside Nora at all times and communicated well I would totally recommend this company for this as I am 100% pleased beyond

Laoise Breslin reviewed Surgery

I have recently returned from having surgery in turkey which I booked through booking surgery. The process from start to finish has been phenomenal and still on going as my coordinator is still happy to help with any questions I have post op. My co ordinator was Robert Campell, he’s truly been fantastic, at the beginning he was great at responding to my worries and always making me feel at ease, and even now post op with anything I need, I never have to wait long for a response from him. Truly lovely person. I have to say all the coordinators are brilliant and happy to help with questions. Booking surgery as a whole has been brilliant, the social media groups, the support etc, they have everything from transfers, which is brilliant as they help so much with the airport when returning back home, the translators in the hospitals, they were fantastic, nothing was ever too much. What I really love about booking surgery is that you can take a companion with you who can share your room with you. This is an absolute game changer from other companies and I truly hope this remains in place. When booking loads of info is given re the surgeons and the hospitals. I was so happy with my surgeon and hospital, surgeon was fantastic, professional and respectful, the hospital was so modern, hotel like. I highly highly recommend booking surgery and I will definitely be using them in the not so distance future again. Thank you for everything

Joe reviewed Stress free

Booking Surgery takes out the stress of doing everything for you. Amazing people 100% trust worthy