Letters to the Editor

Hyperbaric Oxygen Therapy for Chronic Refractory Osteomyelitis



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Am Fam Physician. 2012 Nov 15;86(10):888-889.

Original Article: Diagnosis and Management of Osteomyelitis

Issue Date: November 1, 2011

Available at: http://www.aafp.org/afp/2011/1101/p1027.html

to the editor: Chronic refractory osteomyelitis is a persistent or recurrent bone infection lasting longer than six months despite appropriate surgical and medical therapy, such as debridement and intravenous antibiotics. Although it is unlikely that family physicians will directly treat this condition, the medical home may be involved in the care of patients with osteolyelitis.

Drs. Hatzenbuehler and Pulling provided an excellent review of the management of osteomyelitis. However, they omitted one important tool that can be effective for chronic disease. Hyperbaric oxygen therapy (HBOT) is associated with remission rates of 81 to 85 percent at two to three years in patients with chronic refractory osteomyelitis.13 It involves placing the patient in a single- or multi-place chamber, where he or she breathes 100 percent oxygen at increased atmospheric pressure. A typical course of therapy consists of 90-minute sessions five days per week for 20 to 60 treatments. The mechanisms of action are enhanced leukocyte oxidative killing, osteogenesis, angiogenesis, and synergistic antibiotic activity. Complications of treatment are infrequent, and the only absolute contraindications are pneumothorax and previous bleomycin therapy. Family physicians should be aware of local hyperbaric resources and consider this therapy for appropriate patients.

Author disclosure: No relevant financial affiliations to disclose.

REFERENCES

1. Morrey BF, Dunn JM, Heimbach RD, Davis J. Hyperbaric oxygen and chronic osteomyelitis. Clin Orthop Relat Res. 1979;(144):121–127.

2. Davis JC, Heckman JD, DeLee JC, Buckwold FJ. Chronic non-hematogenous osteomyelitis treated with adjuvant hyperbaric oxygen. J Bone Joint Surg Am. 1986;68(8):1210–1217.

3. Maynor ML, Moon RE, Camporesi EM, et al. Chronic osteomyelitis of the tibia: treatment with hyperbaric oxygen and autogenous microsurgical muscle transplantation. J South Orthop Assoc. 1998;7(1):43–57.

in reply: I appreciate your comments regarding the use of HBOT for the treatment of chronic refractory osteomyelitis. As discussed in our article, most cases of chronic osteomyelitis can be resolved with a combination of surgical debridement and intravenous antibiotics. That being said, recurrence rates approach 30 percent in adults.

The risk of chronic osteomyelitis is increased in patients with chronic diseases such as diabetes mellitus, peripheral vascular disease, and chronic renal insufficiency caused by poor wound healing and increased susceptibility to infection.1 The mechanisms of action for HBOT potentially enhance the healing response in these patients and may be an effective treatment option. However, the studies Dr. Rose referenced citing remission rates of 81 to 85 percent were conducted on a small number of patients and had no control groups. Two of the studies were also conducted when antimicrobial therapy was not as effective as current therapies.

Several case reports and case series suggest that HBOT may be an effective treatment option when the primary treatment options have been ineffective.24 HBOT also seems to be safe, with infrequent complications. On the other hand, two recent systematic reviews found no clear evidence that HBOT should be recommended as adjunctive therapy in patients with chronic diabetic wounds and concomitant osteomyelitis.4,5

Author disclosure: No relevant financial affiliations to disclose.

REFERENCES

1. Abdulrazak A, Bitar ZI, Al-Shamali AA, Mobasher LA. Bacteriological study of diabetic foot infections. J Diabetes Complications. 2005;19(3):138–141.

2. Lentrodt S, Lentrodt J, Kübler N, Mödder U. Hyperbaric oxygen for adjuvant therapy for chronically recurrent mandibular osteomyelitis in childhood and adolescence. J Oral Maxillofac Surg. 2007;65(2):186–191.

3. Chen CY, Lin KP, Lu SH, Chen YJ, Lin CF. Adjuvant hyperbaric oxygen therapy in the treatment of hemodialysis patients with chronic osteomyelitis. Ren Fail. 2008;30(2):233–237.

4. Kranke P, Bennett M, Roeckl-Wiedmann I, Debus S. Hyperbaric oxygen therapy for chronic wounds Cochrane Database Syst Rev. 2004(2):CD004123.

5. Peters EJ, Lipsky BA, Berendt AR, et al. A systematic review of the effectiveness of interventions in the management of infection in the diabetic foot. Diabetes Metab Res Rev. 2012;28(suppl 1):142–162.

Send letters to Kenneth W. Lin, MD, MPH, Associate Deputy Editor for AFP Online, e-mail: afplet@aafp.org, or 11400 Tomahawk Creek Pkwy., Leawood, KS 66211-2680.

Please include your complete address, e-mail address, and telephone number. Letters should be fewer than 400 words and limited to six references, one table or figure, and three authors.

Letters submitted for publication in AFP must not be submitted to any other publication. Possible conflicts of interest must be disclosed at time of submission. Submission of a letter will be construed as granting the American Academy of Family Physicians permission to publish the letter in any of its publications in any form. The editors may edit letters to meet style and space requirements.


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