Under construction – not a live service
Sign in
Taking people in RussiaNo phase

Studies how other illnesses affect complications after abdominal surgery

Observes patients having abdominal surgery to predict who may develop complications.

Key facts

Who runs it
Russian Federation of Anesthesiologists and Reanimatologists
Where
Arkhangelsk, Astrakhan, Chelyabinsk, Chita, Kazan', Kemerovo, Krasnodar, Krasnoyarsk, Moscow, Nizhny Novgorod, Novosibirsk, Orenburg, Petrozavodsk, Rostov-on-Don, Saint Petersburg, Samara, Saratov, Stavropol, Tyumen, Vladivostok, Volgograd, Yakutsk, and Yekaterinburg, RussiaSee the 38 sites
Trial code
Registry title
The Role of Concomitant Diseases in Postoperative Complications Risk Stratification.
Status
Recruiting
People taking part
16,000 people, planned
Started
1 Jul 2019
Planned end
28 Feb 2026
Type of study
Observational
Record updated
4 April 2025

Who can take part

AI summary

From the trial's eligibility criteria. Machine-read from the registry text on this page, so it can be wrong. The registry text below and the trial team decide who can take part.

The trial is looking for adults having surgery on the abdominal organs. It studies how other illnesses affect the risk of complications after surgery.

Age
18 years and older
Sex
All sexes can join
Disease stage
Surgery on the abdominal organs; ASA physical status class 1-3

Main reasons for not taking part

  • The study factors cannot be assessed
  • Acute massive blood loss or aspiration
  • Bronchospasm
  • Anaphylactic reactions
  • Malignant hyperthermia

The registry criteria, word for word

Show all 7 criteriaShow less

Who can take part

  • surgical interventions on the abdominal organs,
  • 1-3 ASA physical status class

Who cannot take part

  • malignant hyperthermia
  • the inability to assess the factors included in the study,
  • acute massive blood loss, aspiration,
  • bronchospasm,
  • anaphylactic reactions,

Where in Russia

  • The First City Clinical Hospital. n.a. E. E. VolosevichArkhangelsk, RussiaContact: Mikhail Kirov, MDTaking people
  • Astrakhan State Medical UniversityAstrakhan, RussiaContact: Irakli Kitiashvili, MDTaking people
  • Chelyabinsk Regional Clinical Center of Oncology and Nuclear MedicineChelyabinsk, RussiaContact: Dmitry Voroshin, MDTaking people
  • South-Ural State Medical UniversityChelyabinsk, RussiaContact: Alexey Astakhov, MDTaking people
  • Chita state medical Academy of the Ministry of health of the Russian FederationChita, RussiaContact: Konstantin Shapovalov, MDTaking people
  • Kazan State Medical UniversityKazan', RussiaContact: Veronika Davydova, PhDTaking people
  • Republic Clinical Hospital Ministry of Health care of the Republic of TatarstanKazan', RussiaContact: Ainagul Bayalieva, MDTaking people
  • Research Institute for Complex Issues of Cardiovascular DiseasesKemerovo, RussiaContact: Yevgeny Grigoriev, MDTaking people
  • Kuban State Medical UniversityKrasnodar, RussiaContact: Igor ZabolotskikhTaking people
  • Regional clinical hospital №2Krasnodar, RussiaContact: Nikita Trembach, PhDTaking people
  • Research Institute Regional Clinical Hospital named after S.V. OchapovskyKrasnodar, RussiaContact: Yuri Malyshev, MDTaking people
  • Krasnoyarsk State Medical University named after Prof. V.F.Voino-YasenetskyKrasnoyarsk, RussiaContact: Alexey Gritsan, MDTaking people
  • Burnasyan federal medical biophysical center of federal medical biological agencyMoscow, RussiaContact: Sergey Voskanyan, MDTaking people
  • City clinical hospital named after S.S. YudinMoscow, RussiaContact: Denis Protsenko, PhDTaking people
  • City clinical hospital №1 named after N.I. PirogovMoscow, RussiaContact: Marat Magomedov, PhDTaking people
  • City Clinical Hospital. n.a. F.I. InozemtsevaMoscow, RussiaContact: Nina ArikanTaking people
  • FGBU "Central clinical hospital with polyclinic" of the President administration of the Russian FederationMoscow, RussiaContact: Rinat Gubaidullin, MDTaking people
  • Moscow cancer research Institute named after P. A. HerzenMoscow, RussiaContact: Victoria Khoronenko, MDTaking people
  • Moscow City Oncological Hospital № 62Moscow, RussiaContact: Andrey Khoteev, PhDTaking people
  • Moscow regional research clinical Institute named after M. F. VladimirskyMoscow, RussiaContact: Alexey Ovezov, MDTaking people
  • National Medical and Surgical Center named after N.I. PirogovMoscow, RussiaContact: Mikhail Zamyatin, MDTaking people
  • Privolzhsky district medical centerNizhny Novgorod, RussiaContact: Vladislav BelskyTaking people
  • State Novosibirsk Regional Clinical HospitalNovosibirsk, RussiaContact: Vladimir Kohno, MDTaking people
  • Orenburg Regional Clinical HospitalOrenburg, RussiaContact: Vadim Ershov, MDTaking people
  • "Republican hospital named after V. A. Baranov"Petrozavodsk, RussiaContact: Arina Spasova, PhDTaking people
  • Rostov State Medical UniversityRostov-on-Don, RussiaContact: Dmitry Martynov, PhDTaking people
  • North-West State Medical University named after I.I.MechnikovSaint Petersburg, RussiaContact: Konstantin Lebedinski, MDTaking people
  • St. Petersburg state budgetary healthcare institution " City clinical Oncology dispensary"Saint Petersburg, RussiaContact: Azam Khalikov, PhDTaking people
  • "Samara Regional Clinical Oncology Dispensary"Samara, RussiaContact: Vladimir Stadler, PhDTaking people
  • Clinical Hospital named after SR. Mirotvortseva (FGBOU VO "Saratov State Medical University. n.a. V.I.Razumovsky" Ministry of Health of the Russian FederationSaratov, RussiaContact: Mikhail Prigorodov, MDTaking people
  • Stavropol regional clinical hospitalStavropol, RussiaContact: Vasily Fisher, PhDTaking people
  • Regional Clinical Hospital No. 1Tyumen, RussiaContact: Natalya SchenNot yet recruiting
  • Regional clinical hospital №2Vladivostok, RussiaContact: Pavel Dunts, PhDTaking people
  • Emergency hospitalVolgograd, RussiaContact: Alexandr Popov, MDTaking people
  • Volgograd regional clinical hospitalVolgograd, RussiaContact: Alexandr Popov, MDTaking people
  • Yakut Republican Oncological DispensaryYakutsk, RussiaContact: Afanasiy Matveev, MDTaking people
  • Ekaterinburg City clinical hospital № 40Yekaterinburg, RussiaContact: Vladimir Rudnov, MDTaking people
  • Sverdlovsk regional clinicl hospital №1Yekaterinburg, RussiaContact: Dmitry Levit, PhDTaking people

About the trial

What the trial wants to find out

Study is conducted to assess the prevalence and structure of comorbidity among patients undergoing abdominal surgery and produce the stratification of the risk of postoperative complications by identifying independent predictors for its development.

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?

Contact the study team: see the registry record → Contacts and Locations

Print a page for my doctor

Data and sources

Registry record
Listed on ClinicalTrials.gov.
Official title
The Role of Concomitant Diseases in Postoperative Complications Risk Stratification - a Prospective Observational Multi-center Cohort Study
Plain-language title
Studies how other illnesses affect complications after abdominal surgeryGenerated from the registry record. The registry title is the official one.
AI summary
From the trial's eligibility criteria. Read by machine on 12 November 2026.
Record updated
4 April 2025