Surgical Volumes Topic for Outcomes at Ambulatory Facilities, Too

— Case-abet an eye on scrutinize looked only at older sufferers on Medicare, nonetheless

John Gever, Contributing Author, MedPage At the moment time

As considered for health center-based completely procedures, ambulatory surgical outcomes were greatly better on moderate at facilities with fairly high volumes, Medicare recordsdata indicated.

Odds of health center admission or emergency division focus on over with inner 7 days of an ambulatory surgical project were 21% greater in low- versus high-quantity facilities (95% CI 9%-36%), based completely on Jeffrey H. Silber, MD, PhD, of Children’s Health center of Philadelphia, and colleagues.

The disparity was once even greater for sufferers with extra than one comorbidities, with an odds ratio of 1.57 (95% CI 1.27-1.94), the researchers reported in JAMA Surgical operation. Such sufferers had as regards to double the percentages for admission or emergency care when orthopedic procedures were animated (OR 1.84, 95% CI 1.36-2.50).

“Older sufferers with multimorbidity might perchance well serene consult with their surgeon the optimal location of their care,” Silber and colleagues suggested.

Tons of reviews going abet decades had confirmed that increased health center surgical quantity predicts fewer issues, lower mortality, and no more want for readmission or emergency care, now not less than within the quick interval of time. Note might perchance well now not continuously variety splendid, but it will most likely well serene (and it sounds as if does) develop charges of favorable outcomes. Nevertheless whether or now not the identical is factual for ambulatory surgical facilities — which promise identical-day discharge, less crimson tape, and in overall more affordable tag — has now not been studied forward of, the researchers explained.

Silber and colleagues took a first-rate crack at it by examining Medicare claims recordsdata from 2018 and 2019 for sufferers older than 65 present process any of 165 procedures with outlandish CPT codes. Extra than 150,000 surgical procedures were performed, of which 4,751 animated health center admission or emergency division focus on over with in some unspecified time in the future of the following week. For the latest prognosis, every of these circumstances were matched with five now not animated a handy guide a rough revisit. Controls had the identical project and morbidity depend as their corresponding case, with “shut” matches for demographics and the sorts of comorbidities.

Mean affected person age was once 75; about 7.5% were 85 or older. Some 57% were males and 88% were non-Hispanic white. About 22% had extra than one morbidities, with an moderate of as regards to seven.

Amongst the assorted procedures, the most well-liked animated the knee and leg (26%), followed by prostate surgical procedures (19%) and hernia repairs (10%).

Ambulatory facilities were included within the prognosis within the event that they’d conducted now not less than 11 procedures in a single class and now not less than 100 of all sorts. That totalled to 2,328 facilities in all. “Low quantity” was once outlined roughly arbitrarily as fewer than 50 surgical procedures in some unspecified time in the future of the 2-year scrutinize interval, and 747 facilities were on this class; “high quantity” was once 50 or extra, with 1,581 facilities meeting this criterion.

Inside the low-quantity team, about one-third performed fewer than 20 procedures. In the high-quantity team, two-thirds conducted 100 or extra.

Something fancy a dose-response relationship was once considered for quantity versus risk for revisit. At the very low-quantity facilities (11-19 procedures total), odds for revisit were 50% greater than those for facilities with ≥100; for the team with volumes of 20-49, the style bigger in odds was once factual over 10%, again versus facilities with ≥100. There was once no difference in revisit charges for facilities performing 50-99 procedures versus those with ≥100.

Other factors that shall be tracked within the Medicare recordsdata had no pertaining to revisit risk, the researchers acknowledged. These included rural versus urban location, local poverty levels, accreditation site, numbers of surgical specialties represented or numbers of working rooms, presence of nurse anesthetists, or distance from the closest health center.

Silber and colleagues additionally looked at recordsdata for person surgeons working in direction of in ambulatory facilities. These recordsdata additionally included procedures they performed on Medicare sufferers in regular hospitals. The final style toward increased revisit charges for those with low volumes was once repeated, though when analyzed by quantity quartile for all sufferers, the adaptation between the lowest and intensely best did now not reach statistical significance (OR 1.13, 95% CI 0.97-1.31). On the different hand, when inspecting only sufferers with extra than one morbidities, the adaptation was once powerful greater (OR 1.57, 95% CI 1.17-2.11).

Obstacles to the scrutinize were mainly those connected to Medicare recordsdata, which might perchance well own errors and do not consist of many attainable confounding parameters, such that abet an eye on sufferers might perchance want differed greatly from circumstances.

  • author['full_name']

    John Gever was once Managing Editor from 2014 to 2021; he’s now a regular contributor.


The scrutinize was once funded by the Company for Healthcare Research and Quality.

Authors declared they’d no relevant monetary interests.

Major Source

JAMA Surgical operation

Source Reference: Jain S, et al “Assessing the ambulatory surgical diagram middle quantity-wreck result association” JAMA Surg 2024; DOI: 10.1001/jamasurg.2023.7161.

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