Long-term trends in carpal tunnel syndrome.

OBJECTIVE: To assess temporal trends in carpal tunnel syndrome (CTS) incidence, surgical treatment, and work-related lost time. METHODS: Incident CTS and first-time carpal tunnel release among Olmsted County, Minnesota, residents were identified using the medical records linkage system of the Rochester Epidemiology Project; 80% of a sample were confirmed by medical record review. Work-related CTS was identified from the Minnesota Department of Labor and Industry. RESULTS: Altogether, 10,069 Olmsted County residents were initially diagnosed with CTS in 1981-2005. Overall incidence (adjusted to the 2000 US population) was 491 and 258 per 100,000 person-years for women vs men (p < 0.0001) and 376 per 100,000 for both sexes combined. Adjusted annual rates increased from 258 per 100,000 in 1981-1985 to 424 in 2000-2005 (p < 0.0001). The average annual incidence of carpal tunnel release surgery was 109 per 100,000, while that for work-related CTS was 11 per 100,000. An increase in young, working-age individuals seeking medical attention for symptoms of less severe CTS in the early to mid-1980s was followed in the 1990s by an increasing incidence in elderly people. CONCLUSIONS: The incidence of medically diagnosed carpal tunnel syndrome (CTS) accelerated in the 1980s. The cause of the increase is unclear, but it corresponds to an epidemic of CTS cases resulting in lost work days that began in the mid-1980s and lasted through the mid-1990s. The elderly present with more severe disease and are more likely to have carpal tunnel surgery, which may have significant health policy implications given the aging population.

The history of physical medicine and rehabilitation as recorded in the diary of Dr. Frank Krusen: Part 4. Triumph over adversity (1954-1969).

This article, the last of four based on the diary of Dr. Frank H. Krusen, picks up the story of physiatry's conflict with other medical specialty groups within the American Medical Association. The conflict was focused on PM&R's use of the term "rehabilitation," but the underlying motive of groups opposing physical medicine was to limit the scope of physiatric practice. Dr. Krusen organized a well-documented and successful defense of the specialty and opened the door to the development of comprehensive care of persons with disabilities. Also related here are Dr. Krusen's legislative and public relations contributions to PM&R from 1963 until his retirement from Tufts-New England Medical Center in 1969. Dr. Krusen retired to Cape Cod and died there in 1973.

The history of physical medicine and rehabilitation as recorded in the diary of Dr. Frank Krusen: Part 3. Consolidating the position (1948-1953)

This article is a continuation of the story of the struggle to win recognition of physical medicine and rehabilitation as a medical specialty, as told in the pages of a daily diary kept by Frank H. Krusen, MD, from 1943 through 1967. The first two articles described Dr. Krusen's professional development before 1943, his efforts to establish a certifying Board for physiatrists, and the role of the Baruch Committee on Physical Medicine in Krusen's eventual successes. This article focuses on how Krusen and his physiatric colleagues campaigned to gain acceptance by organized medicine of the new specialty, to unite the fields of physical medicine and rehabilitation, and to identify and maintain the scope of physiatric practice despite challenges from other specialties.

The history of physical medicine and rehabilitation as recorded in the diary of Dr. Frank Krusen: Part 1. Gathering momentum (the years before 1942).

Frank H. Krusen, MD, was arguably the most influential member of the small group of physicians who began in 1938 a long and difficult struggle to win acceptance of physical medicine and rehabilitation as a medical specialty. The struggle was aided immeasurably in 1943 when a millionaire philanthropist, M. Bernard Baruch, financed the establishment of the Baruch Committee on Physical Medicine. Dr. Krusen became the Director-Secretary of the Committee and began to keep a daily diary in which he recorded his activities and those of his colleagues in their quest for recognition of PM&R as a specialized field of medical practice. That recognition came in 1947 with the establishment of the American Board of Physical Medicine, but Dr. Krusen continued his diary through 1967. In 1988, 15 years after his death, Dr. Krusen's family donated a copy of the diary to the History of Medicine Library of the Mayo Clinic in Rochester, MN. The gift coincided with the American Academy of Physical Medicine and Rehabilitation's celebration of its 50th anniversary. This article, the first of four, introduces the reader to Dr. Krusen and describes his early years and his professional development in the years before 1943.

The history of physical medicine and rehabilitation as recorded in the diary of Dr. Frank Krusen: Part 2. Forging ahead (1943-1947).

Presented here is a continuation of the story--as drawn from the diary entries of Frank. H. Krusen. MD--of the struggle to gain recognition for, and acceptance of, physical medicine as a medical specialty in its own right. It details the events, as described by physical medicine's strongest protagonist, between 1943 and 1947 that led finally to the establishment of the American Board of Physical Medicine. The millionaire philanthropist Bernard Baruch provided the financial resources that were required to establish academic and clinical programs in the field of physical medicine. Dr. Krusen was a key member of the Baruch Committee on Physical Medicine, which provided over sight for the newly created programs. His thoughts and sentiments concerning his role in the struggle, as he recorded them in his diary, are reported here.