Older adults who 'train' for a major operation spend less time in the hospital

December 05, 2019

CHICAGO (December 5, 2019): Older adults who "train" for a major operation by exercising, eating a healthy diet, and practicing stress reduction techniques preoperatively have shorter hospital stays and are more likely to return to their own homes afterward rather than another facility, compared with similar patients who do not participate in preoperative rehabilitation, according to research findings. The new study, which appears as an "article in press" on the Journal of the American College of Surgeons website in advance of print, evaluated a home-based program of preoperative rehabilitation--called prehabilitation--for Michigan Medicare beneficiaries.

The researchers also reported an association between prehabilitation and lower total insurance payments for all phases of care.

"Prehabilitation is good for patients, providers, and payers," said study coauthor Michael J. Englesbe, MD, FACS, a liver transplant surgeon at the University of Michigan, Ann Arbor. "We believe every patient should train for a major operation. It's like running a 5K race: You have to prepare."

Involving physical and lifestyle changes, prehabilitation, or "prehab," optimizes a patient's well-being and ability to withstand the stress of undergoing an operation, Dr. Englesbe said. Past studies show that prehabilitation lowers the rate of postoperative complications and speeds the patient's return to their normal functioning, among other advantages.*

"Prehab has been gaining momentum over the past 10 years. More surgeons and other clinicians are appreciating its benefits," Dr. Englesbe said. "However, the feasibility and value of broad implementation of prehabilitation outside the research environment were unknown."

For this new study researchers tested the real-world effectiveness and cost savings of prehabilitation. Patients underwent diverse cardiothoracic (chest/heart) and abdominal operations at 21 hospitals in Michigan that participated in a statewide prehabilitation program called the Michigan Surgical & Health Optimization Program (MSHOP). Patients' surgeons referred them to MSHOP if they were at high risk of postoperative complications, Dr. Englesbe, program co-developer and director, said.

Physical and psychological preparation

MSHOP involved a home-based walking program in which surgical patients tracked their steps using a pedometer and received daily reminders and feedback through phone, email, or text messages. Program participants received educational materials on nutrition, relaxation techniques, and smoking cessation as well. They also practiced using an incentive spirometer, a medical device that helps patients keep their lungs healthy after an operation.

Included in the study were 523 Medicare patients who participated in MSHOP for at least one week before an inpatient operation and filed Medicare claims between 2014 and 2017, according to the article. For comparison, the researchers used Medicare claims data during the same period to identify 1,046 matched controls: patients with similar demographic characteristics and coexisting illnesses who had the same operation at the same hospital but did not take part in prehabilitation. The average age of patients and controls was 70 years.

Participation in MSHOP ranged from 11 to 33 days, the researchers reported. Of the participants, 62 percent were reportedly "engaged" in the prehabilitation program, defined as recording step counts three or more times per week for most of the program. Thirty-nine patients (7.5 percent) asked to be removed from the program, but they remained in the statistical data analysis. For both groups, the study authors analyzed data for the hospitalization and 90 days afterward.

Prehabilitation leads to better outcomes

Participation in prehabilitation was significantly associated with several improved outcomes that are important to patients or insurers, according to the researchers:
"Every patient scheduled for a major operation--not just those at high risk--should ask their surgeon for a prehabilitation program," Dr. Englesbe recommended.

Although the study did not evaluate patient satisfaction with prehabilitation, Dr. Englesbe said patients at his medical center who completed MSHOP described their surgical experience positively, using words such as "empowering." Some patients requested MSHOP when they required another operation, he said.

Dr. Englesbe said he hopes that prehabilitation will become the standard of surgical care in Michigan.

Nationwide, prehabilitation is an area of focus for the American College of Surgeons' Strong for Surgery program, which promotes evidence-based practices to boost preoperative health. Prehab also is part of the College's new Geriatric Surgery Verification Program standards, developed to optimize surgical care for older adults, and now enrolling hospitals nationally.
The other study coauthors are Charles A. Mouch, MD; Brooke C. Kenney, MPH; Shawna Lorch, CHES; John R. Montgomery, MD; Monica Gonzalez-Walker, RN; Kathy Bishop, MHSA; William C. Palazzolo, PA-C; June A. Sullivan, MBA; and Stewart C. Wang, MD, PhD, FACS, all from the University of Michigan department of surgery in Ann Arbor.

"FACS" designates that a surgeon is a Fellow of the American College of Surgeons.

The Centers for Medicare and Medicaid Services funded this work through a Health Care Innovation Award.

Citation: A Statewide Prehabilitation Program and Episode Payments in Medicare Beneficiaries, Journal of the American College of Surgeons. DOI: https://doi.org/10.1016/j.jamcollsurg.2019.10.014.

* Sources: Valkenet K, van de Port IG, Dronkers JJ, de Vries RW, Backx FJ. The effects of preoperative exercise therapy on postoperative outcome: a systematic review. Clin Rehabil. 2011;25(2):99-111. Moran J, Guinan E, McCormick P, et al. The ability of prehabilitation to influence postoperative outcome after intra-abdominal operation: a systematic review and meta-analysis. Surgery. 2016;160(5):1189-1201. Gillis C, Buhler K, Bresee L, et al. Effects of nutritional prehabilitation, with and without exercise, on outcomes of patients who undergo colorectal surgery: a systematic review and meta-analysis. Gastroenterology. 2018;155(2):391-410.

About the American College of Surgeons

The American College of Surgeons is a scientific and educational organization of surgeons that was founded in 1913 to raise the standards of surgical practice and improve the quality of care for surgical patients. The College is dedicated to the ethical and competent practice of surgery. Its achievements have significantly influenced the course of scientific surgery in America and have established it as an important advocate for all surgical patients. The College has more than 82,000 members and is the largest organization of surgeons in the world. For more information, visit http://www.facs.org.

American College of Surgeons

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