Diagnosing regional pain: the view from primary care

Area of Science:

• Musculoskeletal medicine
• Primary care diagnostics
• Pain management

Background:

• Limited evidence exists for practical diagnostic classifications of regional musculoskeletal pain in primary care settings.
• The established 'red flag' system for low back pain shows potential applicability to other regional pain conditions.

Purpose of the Study:

• To evaluate the applicability of the 'red flag' system for initial management of regional musculoskeletal pain in primary care.
• To assess the utility of diagnostic signs, tests, and labels in primary care for regional pain.
• To explore simple, effective decision-making strategies for regional pain management.

Main Methods:

• Review of existing evidence and expert consensus on diagnostic classifications for regional musculoskeletal pain.
• Application of the 'red flag' system principles to various regional pain syndromes.
• Consideration of prognostic value of symptoms and signs in primary care.

Main Results:

• The 'red flag' system, focusing on signs of serious disease, is proposed for guiding investigation or referral in regional pain.
• Routine use of many diagnostic signs, tests, and labels is discouraged in primary care due to low predictive value in the absence of red flags.
• Simple dichotomous classifications (articular vs. non-articular, acute vs. chronic) and assessment of widespread pain are favored.

Conclusions:

• The 'red flag' system offers a practical approach for initial management of regional musculoskeletal pain in primary care.
• Focusing on serious pathology and simple classifications is more beneficial than routine use of low-value diagnostic tools.
• Further prospective research is needed on the prognostic value of symptoms and signs for regional pain syndromes.