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Updated: Feb 16, 2026

Author Spotlight: Enhancing Visual Outcomes in Cataract Surgery: A Novel Technique to Prevent Posterior Capsular Opacification Through IOL Rotation
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Shoulder Capsular Surgery in Finland Between 1999 and 2008: A Nationwide Register Analysis.

L Kavaja1, A Malmivaara2, T Lähdeoja3

  • 11 Medical Faculty, University of Helsinki, Helsinki, Finland.

Scandinavian Journal of Surgery : SJS : Official Organ for the Finnish Surgical Society and the Scandinavian Surgical Society
|January 3, 2018
PubMed
Summary

The incidence of shoulder capsular surgery, particularly arthroscopic procedures, significantly increased in Finland from 1999-2008. Evidence does not fully support these rising rates, especially for older patients, necessitating clearer surgical indications.

Keywords:
Shoulderarthroscopyregister studyshoulder capsular surgery

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Area of Science:

  • Orthopedic Surgery
  • Public Health Epidemiology

Background:

  • Shoulder capsular surgery is increasingly performed arthroscopically.
  • The proportion of arthroscopic shoulder surgery has rapidly risen over the past two decades.

Purpose of the Study:

  • To assess the incidence of shoulder capsular surgery procedures in Finland between 1999 and 2008.
  • To analyze trends in arthroscopic versus open shoulder capsular surgery.

Main Methods:

  • Utilized the National Hospital Discharge Register for data collection (1999-2008).
  • Included specific International Classification of Diseases, 10th Edition diagnoses and Nordic Medico-Statistical Committee procedure codes.
  • Analyzed data nationally, by age group, and by university hospital district.

Main Results:

  • Total shoulder capsular surgery incidence rose from 17 to 33 per 100,000 person-years.
  • Arthroscopic procedure incidence increased from 11 to 30 per 100,000 person-years, reaching 92% by 2007.
  • Incidence grew by approximately 90% across most age groups, notably in older populations, with no significant geographic variation.

Conclusions:

  • Shoulder capsular surgery incidence, particularly arthroscopic, saw a substantial increase.
  • Current scientific evidence may not fully support the rapid rise in these surgical rates.
  • Well-defined indications are needed to ensure surgery benefits symptomatic patients, irrespective of age.