А. И. Овчинникова

ORCID: 0000-0002-1800-2368
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Research Areas
  • Colorectal Cancer Surgical Treatments
  • Colorectal and Anal Carcinomas
  • Atrial Fibrillation Management and Outcomes
  • Colorectal Cancer Treatments and Studies
  • Health Systems, Economic Evaluations, Quality of Life
  • Cardiac Health and Mental Health
  • Intraperitoneal and Appendiceal Malignancies
  • Enhanced Recovery After Surgery
  • Cardiac Arrhythmias and Treatments
  • Healthcare Systems and Public Health
  • Multiple and Secondary Primary Cancers
  • Anorectal Disease Treatments and Outcomes
  • Cardiac tumors and thrombi
  • Cardiovascular Syncope and Autonomic Disorders
  • Cardiac, Anesthesia and Surgical Outcomes
  • Soft tissue tumor case studies
  • Glioma Diagnosis and Treatment
  • Medication Adherence and Compliance
  • Pharmaceutical industry and healthcare
  • Genetic factors in colorectal cancer
  • Pelvic floor disorders treatments
  • Bone Tumor Diagnosis and Treatments
  • Stoma care and complications
  • Inflammatory Bowel Disease
  • Cardiac electrophysiology and arrhythmias

Institute of Practical Psychology and Psychoanalysis
2023

Russian Cancer Research Center NN Blokhin
2014-2020

Ministry of Health of the Russian Federation
2018

Cancer Research Center
2015

Academy of Medical Sciences
2015

Aim To evaluate changes in traditional risk factors (RF) during cardiac rehabilitation (CR) programs with remote support patients paroxysmal atrial fibrillation (AF) after catheter ablation (CA). Material and methods The lack of control cardiovascular RFs is a predictor for AF recurrence CA, development complications, decreased life expectancy. Telemedical CR may improve the RF enhance efficacy. This randomized controlled clinical study three parallel groups included 135 aged 35 to 79 years....

10.18087/cardio.2023.1.n2124 article EN Kardiologiia 2023-01-31

КОЛОПРОКТОЛОГИЯ 2' 2016 О р и г н а л ь ы е с д о в

10.17650/2220-3478-2016-6-2-18-23 article EN cc-by Pelvic Surgery and Oncology 2016-01-01

To compare functional outcomes of various rectal reconstruction after total mesorectal excision.A prospective randomized trial included 90 patients with mid-to-low carcinoma who underwent excision.There were 22 J-pouch surgery, 30 side-to-end anastomoses and 38 end-to-end anastomoses. Eight (26.6%) required conversion J-P to E-E (7 patients) S-E (1) anastomosis for technical reasons. Postoperative morbidity was similar (13.6, 16.7 34.2% in J-P, groups, respectively, p=0.705). Sensory...

10.17116/hirurgia202011153 article RU Pirogov Russian Journal of Surgery 2020-01-01

The article is devoted to some issues of perioperative nutritional support patients with colorectal cancer. This group usually characterized by high proportion disorders and impossibility quick return usual good nutrition in the early postoperative period. Timely administration medical reduces risks complications death among these patients. Enteral associated lower risk should be used most

10.17650/2220-3478-2016-6-4-9-12 article EN cc-by Pelvic Surgery and Oncology 2016-01-01

Aim To evaluate the effectivity of secondary prevention/rehabilitation programs with remote support for psychological condition patients paroxysmal atrial fibrillation (AF) following interventional procedures (radiofrequency catheter ablation and cryoablation). Material methods This prospective, controlled, randomized clinical study was performed in three parallel groups. Each group consisted 45 AF after procedures. In groups 1 2, were performed, including a single individual in-hospital...

10.18087/cardio.2022.9.n1951 article EN Kardiologiia 2022-09-30

A new approach to combined treatment of patients with colorectal cancer synchronous distant liver metastases is discussed in the article. The based on simultaneous surgical colon using laparoscopic method and via open resection. This hybrid technology allows reduce frequency postoperative complications, minimize duration in-patient care, therefore decreasing time until drugs administration as well costs, ensuring early start treatment. description clinical observations demonstrated benefits...

10.17650/2220-3478-2016-6-4-45-51 article EN cc-by Pelvic Surgery and Oncology 2016-01-01

Long-ter m results of conservative squamous-cell rectal cancer treatment (12 cm above anal verge) are presented in the article. Squamous-cell is a rare disease with only 73 cases described literature. Patient received novel chemoradiotherapy scheme. Complete response was achieved and no surgery performed. disease-free has good quality life 4 years followup.

10.17650/2220-3478-2015-1-54-58 article EN cc-by Pelvic Surgery and Oncology 2015-01-01

Background . The study aims to compare the functional outcomes and quality of life in patients having variant rectal reconstruction procedures after low anterior resection for cancer. Materials methods A prospective randomised controlled trial enrolled 90 who underwent total mesorectumectomy with formation J-pouch (J-P), side-to-end (STE) or end-to-end (ETE) anastomoses. Results discussion We analysed 22 J-P, 30 STE 38 ETE patients. For technical reasons, 26.6 % J-Ps were remodelled other...

10.24060/2076-3093-2021-11-3-195-202 article EN cc-by Creative Surgery and Oncology 2021-10-01

Adenocarcinoma of the anal canal is a rare cancer. There are few publications dedicated to this problem only, since patients with nosological entity combined groups those lower ampullary cancer rectum (despite differences in nature these diseases). This paper describes 2 clinical cases multistep combination treatment for locally advanced and disseminated (adenocarcinoma) canal. It shows that it appropriate apply an aggregate approach diagnosing disease. Successful experience treating...

10.17650/2220-3478-2015-5-3-42-50 article EN cc-by Pelvic Surgery and Oncology 2015-10-08

Long-ter m results of conservative squamous-cell rectal cancer treatment (12 cm above anal verge) are presented in the article. Squamous-cell is a rare disease with only 73 cases described literature. Patient received novel chemoradiotherapy scheme. Complete response was achieved and no surgery performed. disease-free has good quality life 4 years followup.

10.17650/2220-3478-2015-5-1-202-203 article EN DOAJ (DOAJ: Directory of Open Access Journals) 2015-05-01

Treatment results of low rectal cancer patient with internal sphincter involvement and synchronous liver metastases is presented. After combined treatment including preoperative targeted therapy, chemotherapy, chemoradiotherapy a resection primary tumour was carried out (R0). Synchronous right hepihepatectomy proctectomy performed the deep part external sphincter, neorectum creation by transverse coloplasty, neoanal using colonic smooth muscle layer without preventive colostomy. A...

10.17650/2220-3478-2014-0-1-35-41 article EN DOAJ (DOAJ: Directory of Open Access Journals) 2015-02-01

Background. The aim of this study was to compare short and long-term outcomes after neoadjuvant short-course chemoradiotherapy with capecitabine ot tegafur for operable rectal cancer. Materials methods. Patients histologycally verified Т3N0M0, Т2–3N1–2M0 cancer, who underwent 5 × Gy radiotherapy local 41–45 °C hyperthermia on days 3–5 metronidazole 10 g/m2 per rectum 3, were randomized receive 1000 mg/m2 bid os 1–14 or 400 1–21. Toxicity, tumor regression, sphincter preservation rate...

10.17650/2220-3478-2015-5-4-24-30 article EN cc-by Pelvic Surgery and Oncology 2015-01-01

A successful treatment of a young patient with 15-year anamnesis ulcerative colitis, who has been diagnosed rectal cancer, is presented in this case report. non-standard surgical intervention performed following all principles oncologic surgery. subtotal colectomy ultra-low anterior resection rectum. Ascendoanal anastomosis forming the neo-rectum. There were no complications postoperative period. Considering disease stage (T3N1M0) adjuvant XELOX was administered for 6 months along 2 cycles...

10.17650/2220-3478-2012-0-3-46-50 article EN DOAJ (DOAJ: Directory of Open Access Journals) 2015-02-01

Migratory venous thrombosis is a manifestation of the rare paraneoplastic syndrome in patients with malignant neoplasms. The paper describes successful surgical treatment young patient colon tumor associated Trousseau’s syndrome. latter manifesting itself as ischemia forced urgent surgeons to amputate lower third left leg. Locally advanced transverse cancer spreading great vessels was subsequently diagnosed. All manifestations disappeared after removal. professionally given surgical,...

10.17650/2220-3478-2012-0-2-53-57 article EN DOAJ (DOAJ: Directory of Open Access Journals) 2015-02-01

INTRODUCTION. Medication non-adherence is one of the significant public health issue. Low adherence main reasons for decrease therapeutic effect in patients with atrial fibrillation (AF), development complications AF, which leads to poor outcomes and increased healthcare costs. Secondary prevention programs cardiac rehabilitation may improve medication AF. AIM. To assess impact secondary methods on after catheter ablation (CA) performed paroxysmal MATERIALS AND METHODS. This a prospective...

10.38025/2078-1962-2023-22-2-120-128 article EN cc-by Bulletin of Rehabilitation Medicine 2023-08-22

The clinical observation demonstrates a successful surgical treatment of 61-year-old female patient K. (body mass index 38.4) diagnosed with locally advanced sigmoid colon cancer protruded into the bladder and uterus (сT4bN2M0) formation colovesical fistula. underwent in form laparoscopic resection supralevator anterior pelvic exenteration Bricker conduit. Intraoperative blood loss was 200 ml. Postoperative period smooth, fast track rehabilitation; discharged on day 9. Considering stage,...

10.17650/2220-3478-2017-7-2-60-65 article EN cc-by Pelvic Surgery and Oncology 2017-01-01

We report a case of successful treatment 15-year-old female patient (body mass index 16) diagnosed with Turcot syndrome (familial adenomatous polyposis the colon) combined multiple primary malignant tumors, including anaplastic astrocytoma (received combination therapy in 2007), metachronous cecal cancer (underwent subtotal colectomy and 12 courses polychemotherapy 2016–2017), stage III pT3N1M0 rectal at 8 cm. The underwent laparoscopic low resection extirpation ileosigmoid anastomosis,...

10.17650/2220-3478-2018-8-3-46-50 article EN cc-by Pelvic Surgery and Oncology 2018-11-03

Abstract Background Stressful life events may trigger paroxysmal atrial fibrillation (AF) and chronic stress is known to negatively affect long-term outcomes in cardiovascular diseases. Purpose To assess the impact of different preventive counseling programs on level patients (pts) after catheter ablation (CA) performed for AF. Methods This a prospective randomized controlled study with 3 parallel groups pts AF CA (radiofrequency or cryoablation). Pts were into 1:1:1 ratio. During...

10.1093/ehjci/ehaa946.3080 article EN European Heart Journal 2020-11-01

Abstract Background Catheter ablation (CA) is known to reduce atrial fibrillation (AF) burden, but even after CA patients (pts) may remain symptomatic and seek for emergency care. Purpose To identify predictors of medical services (EMS) utilization different preventive counseling programs in paroxysmal AF pts CA. Methods This a secondary analysis randomized controlled trial (radiofrequency or cryoballoon) assessing the effects long-term program encompassing remote support. Pts were into 3...

10.1093/ehjci/ehaa946.3103 article EN European Heart Journal 2020-11-01

Abstract Background Depression and anxiety are common in patients (pts) with atrial fibrillation (AF). These psychosocial risk factors add to the symptoms burden further deteriorate quality of life. Purpose To assess effects different preventive counseling programs on depression pts after catheter ablation (CA) performed for paroxysmal AF. Methods This is a prospective randomized controlled study 3 parallel groups AF CA (radiofrequency or cryoablation). Pts were into 1:1:1 ratio. During...

10.1093/ehjci/ehaa946.2850 article EN European Heart Journal 2020-11-01
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