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NCT Number: NCT07377812

Predictors of Length of Stay and DAH30 After Elective Minimally Invasive Surgery in Older Adults

This retrospective observational study aims to evaluate short-term postoperative outcomes in older adults undergoing elective minimally invasive surgery. The primary focus is on patient-centered recovery measures, including length of hospital stay and the number of days patients are alive and at home within 30 days after surgery.

Using routinely collected clinical data, the study will assess demographic, clinical, and perioperative factors associated with delayed discharge and reduced time spent at home after surgery. Understanding these factors may help clinicians and healthcare systems better plan postoperative care and optimize recovery pathways for older surgical patients.

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Key information

Conditions

Postoperative Recovery

Age range

70 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

K+31 Clinic

Moscow, Russia

About this study

This is a multicenter, retrospective, observational cohort study designed to identify predictors of short-term postoperative outcomes in older adults undergoing elective minimally invasive surgical procedures.

The study includes patients aged 70 years and older who underwent elective laparoscopic or minimally invasive abdominal surgery. All data are derived exclusively from routinely collected medical records generated during standard clinical care. No study-related interventions, changes in clinical management, or additional patient contacts are performed.

The primary outcomes of interest are length of hospital stay and days alive and at home within 30 days after surgery (HOME-30 / DAH30). Secondary analyses explore the association of demographic characteristics, comorbidities, perioperative factors, and discharge timing with these outcomes.

The study aims to improve understanding of non-medical contributors to prolonged hospitalization in older surgical patients and to support the development of patient-centered outcome measures applicable across different healthcare systems.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Age 70 years or older at the time of surgery
  • Undergoing elective minimally invasive surgical procedures
  • Surgery performed under general anesthesia
  • Availability of complete medical records required to assess study outcomes

Exclusion criteria

  • Emergency or urgent surgical procedures
  • Open (non-minimally invasive) surgery
  • Incomplete medical records precluding outcome assessment

Treatment and study plan

No intervention (observational study)

Other

This is a retrospective observational study. No interventions were assigned or administered as part of the study. All analyses are based on routinely collected clinical data obtained during standard clinical care.

Primary outcomes

  1. Days Alive and at Home Within 30 Days After Surgery (DAH30)

    Time frame: Postoperative Day 0 through Postoperative Day 30

    Days Alive and at Home within 30 days after surgery (DAH30), defined as the total number of days during the first 30 days following the index surgical procedure that the patient is alive and not admitted to an acute care hospital.

Secondary outcomes

  1. Length of Hospital Stay After Surgery

    Time frame: Perioperative period

    Length of hospital stay, defined as the number of days from the date of surgery to the date of discharge from the index hospitalization.

  2. All-Cause Hospital Readmission Within 30 Days After Surgery

    Time frame: Postoperative Day 1 through Postoperative Day 30

    Any unplanned hospital readmission for any cause occurring within 30 days after discharge from the index surgical hospitalization.

  3. Postoperative Complications Within 30 Days

    Time frame: Postoperative Day 0 through Postoperative Day 30

    Occurrence of postoperative complications within 30 days after surgery, classified according to the Clavien-Dindo grading system.

  4. Discharge Destination After Surgery

    Time frame: Perioperative period

    Discharge destination following index hospitalization, categorized as home, rehabilitation facility, skilled nursing facility, or other healthcare institution.

Sponsors and collaborators

Lead sponsor

Dmitrii Semenov

Other

Registry information

Official study title

Predictors of Length of Stay and Days Alive and at Home Within 30 Days (DAH30) After Elective Minimally Invasive Surgery in Older Adults: A Multicenter Retrospective Observational Study With International External Validation

Acronym: HOME-30

Important dates

Study start
2015
Primary completion
2026
Study completion
2026
First posted
Jan 30, 2026
Registry last updated
Jan 30, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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