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Characteristics of patients with chronic pain accessing treatment with medical cannabis in Washington State.
J Opioid Manag 2009 Sep-Oct; 5(5):257-86JO

Abstract

OBJECTIVES

This study was conducted to better understand the characteristics of chronic pain patients seeking treatment with medicinal cannabis (MC).

DESIGN

Retrospective chart reviews of 139 patients (87 males, median age 47 years; 52 females, median age 48 years); all were legally qualified for MC use in Washington State.

SETTING

Regional pain clinic staffed by university faculty.

MAIN OUTCOME MEASURES

Records were scored for multiple indicators, including time since initial MC authorization, qualifying condition(s), McGill Pain score, functional status, use of other analgesic modalities, including opioids, and patterns of use over time.

RESULTS

Of 139 patients, 15 (11 percent) had prior authorizations for MC before seeking care in this clinic. The sample contained 236.4 patient-years of authorized MC use. Time of authorized use ranged from 11 days to 8.31 years (median of 1.12 years). Most patients were male (63 percent) yet female patients averaged 0.18 years longer authorized use. There were no other gender-specific trends or factors. Most patients (n = 123, 88 percent) had more than one pain syndrome present. Myofascial pain syndrome was the most common diagnosis (n = 114, 82 percent), followed by neuropathic pain (n = 89, 64 percent), discogenic back pain (n = 72, 51.7 percent), and osteoarthritis (n = 37, 26.6 percent). Other diagnoses included diabetic neuropathy, central pain syndrome, phantom pain, spinal cord injury, fibromyalgia, rheumatoid arthritis, HIV neuropathy, visceral pain, and malignant pain. In 51 (37 percent) patients, there were documented instances of major hurdles related to accessing MC, including prior physicians unwilling to authorize use, legal problems related to MC use, and difficulties in finding an affordable and consistent supply of MC.

CONCLUSIONS

Data indicate that males and females access MC at approximately the same rate, with similar median authorization times. Although the majority of patient records documented significant symptom alleviation with MC, major treatment access and delivery barriers remain.

Authors+Show Affiliations

University of Washington, Seattle, Washington, USA.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, N.I.H., Extramural
Research Support, U.S. Gov't, Non-P.H.S.

Language

eng

PubMed ID

19947069

Citation

Aggarwal, Sunil K., et al. "Characteristics of Patients With Chronic Pain Accessing Treatment With Medical Cannabis in Washington State." Journal of Opioid Management, vol. 5, no. 5, 2009, pp. 257-86.
Aggarwal SK, Carter GT, Sullivan MD, et al. Characteristics of patients with chronic pain accessing treatment with medical cannabis in Washington State. J Opioid Manag. 2009;5(5):257-86.
Aggarwal, S. K., Carter, G. T., Sullivan, M. D., ZumBrunnen, C., Morrill, R., & Mayer, J. D. (2009). Characteristics of patients with chronic pain accessing treatment with medical cannabis in Washington State. Journal of Opioid Management, 5(5), pp. 257-86.
Aggarwal SK, et al. Characteristics of Patients With Chronic Pain Accessing Treatment With Medical Cannabis in Washington State. J Opioid Manag. 2009;5(5):257-86. PubMed PMID: 19947069.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Characteristics of patients with chronic pain accessing treatment with medical cannabis in Washington State. AU - Aggarwal,Sunil K, AU - Carter,Gregory T, AU - Sullivan,Mark D, AU - ZumBrunnen,Craig, AU - Morrill,Richard, AU - Mayer,Jonathan D, PY - 2009/12/2/entrez PY - 2009/12/2/pubmed PY - 2010/1/20/medline SP - 257 EP - 86 JF - Journal of opioid management JO - J Opioid Manag VL - 5 IS - 5 N2 - OBJECTIVES: This study was conducted to better understand the characteristics of chronic pain patients seeking treatment with medicinal cannabis (MC). DESIGN: Retrospective chart reviews of 139 patients (87 males, median age 47 years; 52 females, median age 48 years); all were legally qualified for MC use in Washington State. SETTING: Regional pain clinic staffed by university faculty. MAIN OUTCOME MEASURES: Records were scored for multiple indicators, including time since initial MC authorization, qualifying condition(s), McGill Pain score, functional status, use of other analgesic modalities, including opioids, and patterns of use over time. RESULTS: Of 139 patients, 15 (11 percent) had prior authorizations for MC before seeking care in this clinic. The sample contained 236.4 patient-years of authorized MC use. Time of authorized use ranged from 11 days to 8.31 years (median of 1.12 years). Most patients were male (63 percent) yet female patients averaged 0.18 years longer authorized use. There were no other gender-specific trends or factors. Most patients (n = 123, 88 percent) had more than one pain syndrome present. Myofascial pain syndrome was the most common diagnosis (n = 114, 82 percent), followed by neuropathic pain (n = 89, 64 percent), discogenic back pain (n = 72, 51.7 percent), and osteoarthritis (n = 37, 26.6 percent). Other diagnoses included diabetic neuropathy, central pain syndrome, phantom pain, spinal cord injury, fibromyalgia, rheumatoid arthritis, HIV neuropathy, visceral pain, and malignant pain. In 51 (37 percent) patients, there were documented instances of major hurdles related to accessing MC, including prior physicians unwilling to authorize use, legal problems related to MC use, and difficulties in finding an affordable and consistent supply of MC. CONCLUSIONS: Data indicate that males and females access MC at approximately the same rate, with similar median authorization times. Although the majority of patient records documented significant symptom alleviation with MC, major treatment access and delivery barriers remain. SN - 1551-7489 UR - https://www.unboundmedicine.com/medline/citation/19947069/full_citation/Characteristics_of_patients_with_chronic_pain_accessing_treatment_with_medical_cannabis_in_Washington_State_ L2 - https://medlineplus.gov/herbalmedicine.html DB - PRIME DP - Unbound Medicine ER -