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[Involuntary weight loss]
J L Alonso Martínez1, A L Samperiz Legarre, T Rubio Obanos
1Servicio de Medicina Interna, Hospital Reina Sofía, Tudela.
Anales De Medicina Interna (Madrid, Spain : 1984)
|February 1, 1993
Summary
Involuntary weight loss is often linked to non-neoplastic causes, though cancer is a frequent individual factor. Age influences neoplasia risk, and specific lab tests aid diagnosis.
Area of Science:
- Geriatrics
- Internal Medicine
- Diagnostic Medicine
Context:
- Involuntary weight loss (IWL) presents diagnostic challenges with unclear incidence and prognosis.
- A retrospective study analyzed 68 hospitalized patients with IWL to identify causes and diagnostic factors.
Purpose:
- To investigate the incidence, significance, and prognosis of involuntary weight loss.
- To determine the most frequent causes (neoplastic vs. non-neoplastic) of IWL.
- To identify key diagnostic indicators and useful evaluations for IWL.
Summary:
- Neoplasia was the most frequent individual cause of IWL, but non-neoplastic conditions were more common overall.
- No single symptom strongly predicted neoplastic or non-neoplastic disease.
- Older age was associated with a higher risk of neoplasia.
- Patients with neoplastic and infectious diseases required more tests, with anemia, cholestasis, and thyroid hormone levels being particularly valuable.
- Clinical assessment, endoscopy, chest X-rays, and abdominal ultrasounds were the most effective diagnostic tools.
Impact:
- This study clarifies the etiology of IWL, highlighting the prevalence of non-neoplastic causes.
- Identifies key diagnostic markers and imaging modalities for efficient IWL workup.
- Provides insights into the prognostic significance of IWL in hospitalized patients.