The Bio-Psycho-Social Model of Health Care


Lest we forget, health care is both art and science; the practitioner must do both well.  That is, good bedside manner can make a doctor popular, but without the proper knowledge and experience, he who she must rely on a patient's resilience.  Perhaps the best touchstone for this topic is pain management: Comments invited.

Abstract

Context  Pain and depression are the most common physical and psychological symptoms in primary care, respectively. Moreover, they co-occur 30% to 50% of the time and have adverse effects on quality of life, disability, and health care costs.

Objective  To determine if a combined pharmacological and behavioral intervention improves both depression and pain in primary care patients with musculoskeletal pain and comorbid depression.

Design, Setting, and Patients  Randomized controlled trial (Stepped Care for Affective Disorders and Musculoskeletal Pain [SCAMP]) conducted at 6 community-based clinics and 5 Veterans Affairs general medicine clinics in Indianapolis, Indiana. Recruitment occurred from January 2005 to June 2007 and follow-up concluded in June 2008. The 250 patients had low back, hip, or knee pain for 3 months or longer and at least moderate depression severity (Patient Health Questionnaire 9 score 10).

Intervention  Patients were randomly assigned to the intervention (n = 123) or to usual care (n = 127). The intervention consisted of 12 weeks of optimized antidepressant therapy (step 1) followed by 6 sessions of a pain self-management program over 12 weeks (step 2), and a continuation phase of therapy for 6 months (step 3).

Main Outcome Measures  Depression (20-item Hopkins Symptom Checklist), pain severity and interference (Brief Pain Inventory), and global improvement in pain at 12 months.

Results  At 12 months, 46 of the 123 intervention patients (37.4%) had a 50% or greater reduction in depression severity from baseline compared with 21 of 127 usual care patients (16.5%) (relative risk [RR], 2.3; 95% confidence interval [CI], 1.5-3.2), corresponding to a much lower number of patients with major depression (50 [40.7%] vs 87 [68.5%], respectively; RR, 0.6 [95% CI, 0.4-0.8]). Also, a clinically significant (30%) reduction in pain was much more likely in intervention patients (51 intervention patients [41.5%] vs 22 usual care patients [17.3%]; RR, 2.4 [95% CI, 1.6-3.2]), as was global improvement in pain (58 [47.2%] vs 16 [12.6%], respectively; RR, 3.7 [95% CI, 2.3-6.1]). More intervention patients also experienced benefits in terms of the primary outcome, which was a combined improvement in both depression and pain (32 intervention patients [26.0%] vs 10 usual care patients [7.9%]; RR, 3.3 [95% CI, 1.8-5.4]).

Conclusion  Optimized antidepressant therapy followed by a pain self-management program resulted in substantial improvement in depression as well as moderate reductions in pain severity and disability.

 

Kroenke K, Bair MJ, Damush TM, Wu J, Hoke S, Sutherland J, Tu W.  "Optimized Antidepressant Therapy and Pain Self-management in Primary Care Patients With Depression and Musculoskeletal Pain" [free full text] JAMA. May 27, 2009;301(20):2099-2110.

 

Get Outside; Improve Vision

For American kids having two nearsighted parents, growing up spending at least a couple of hours per day outdoors are 4X less likely to be nearsighted than those who spent less than an hour a day, outside.

Why? Evolution--"Our genes were originally selected to succeed in a very different world from the one we live in today. Humans’ brains and eyes originated long ago, when we spent most of our waking hours in the sun. The process of development takes advantage of such reliable features of the environment, which then may become necessary for normal growth.

Researchers suspect that bright outdoor light helps children’s developing eyes maintain the correct distance between the lens and the retina — which keeps vision in focus. Dim indoor lighting doesn’t seem to provide the same kind of feedback. As a result, when children spend too many hours inside, their eyes fail to grow correctly and the distance between the lens and retina becomes too long, causing far-away objects to look blurry."

Aamodt S, Wang S. "The Sun Is the Best Optometrist" NY Times, Op-Ed Pub. 6/20/11

Bio-Psycho-Social Model of Health Care

Unless old age is fogging my memory about inferential statistics the conclusion does not follow from the reported results. On the three dependent measures---Hopkins Symptom Checklist, Brief Pain Inventory, Global Improvement---the corresponding RR values of 2.3, 0.6 and 3.7 fall within their respective Confidence Intervals of 95%. Thus the null hypothesis cannot be rejected. To be statiscally significant the values would have to fall outside the confidence interval. If I am mistaken, please help me out.

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