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Relationship between ulcer healing after hyperbaric oxygen therapy and transcutaneous oximetry, toe blood pressure and ankle-brachial index in patients with diabetes and chronic foot ulcers.

Löndahl, Magnus LU ; Katzman, Per LU ; Hammarlund, C ; Nilsson, A and Landin-Olsson, Mona LU (2011) In Diabetologia 54. p.65-68
Abstract
AIMS/HYPOTHESIS: The randomised, double-blind, placebo-controlled Hyperbaric Oxygen Therapy (HBOT) in Diabetic Patients with Chronic Foot Ulcers (HODFU) study showed beneficial effect of HBOT. As this treatment is expensive and time-consuming, being able to select patients for therapy would be very useful. The aim of this study was to evaluate whether circulatory variables could help in predicting outcome of HBOT. METHODS: All HODFU study participants who completed therapy, predefined as receiving at least 36 out of 40 scheduled HBOT/placebo sessions, were included in this study (n = 75). Baseline transcutaneous oximetry (TcPO(2)), toe blood pressure (TBP) and ankle-brachial index (ABI) were measured. Ulcer healing rate was registered at... (More)
AIMS/HYPOTHESIS: The randomised, double-blind, placebo-controlled Hyperbaric Oxygen Therapy (HBOT) in Diabetic Patients with Chronic Foot Ulcers (HODFU) study showed beneficial effect of HBOT. As this treatment is expensive and time-consuming, being able to select patients for therapy would be very useful. The aim of this study was to evaluate whether circulatory variables could help in predicting outcome of HBOT. METHODS: All HODFU study participants who completed therapy, predefined as receiving at least 36 out of 40 scheduled HBOT/placebo sessions, were included in this study (n = 75). Baseline transcutaneous oximetry (TcPO(2)), toe blood pressure (TBP) and ankle-brachial index (ABI) were measured. Ulcer healing rate was registered at the 9-month follow-up visit. An ulcer was considered healed when it was completely epithelialised and remained so at the 12-month follow-up. RESULTS: In the HBOT group TcPO(2) were significantly lower for patients whose ulcer did not heal as compared with those whose ulcers healed. A significantly increased healing frequency was seen with increasing TcPO(2) levels in the HBOT group (TcPO(2)/healing rate: <25 mmHg/0%; 26-50 mmHg/50%; 51-75 mmHg/73%; and >75 mmHg/100%). No statistically significant relation between the level of TBP or ABI and healing frequency was seen. CONCLUSIONS/INTERPRETATION: Our results indicate that TcPO(2) in contrast to ABI and TBP correlates to ulcer healing following HBOT. We suggest HBOT as a feasible adjunctive treatment modality in diabetic patients with chronic non-healing foot ulcers when basal TcPO(2) at the dorsum of the foot is above 25 mmHg. TRIAL REGISTRATION: NCT00953186 FUNDING: Mrs Thelma Zoegas Foundation and Faculty of Medicine, Lund University. (Less)
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author
; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Diabetologia
volume
54
pages
65 - 68
publisher
Springer
external identifiers
  • wos:000284896900011
  • pmid:20957342
  • scopus:79953786825
  • pmid:20957342
ISSN
1432-0428
DOI
10.1007/s00125-010-1946-y
language
English
LU publication?
yes
id
70a0c637-d0d8-47f8-a239-9e6c504d7164 (old id 1711014)
alternative location
http://www.ncbi.nlm.nih.gov/pubmed/20957342?dopt=Abstract
date added to LUP
2016-04-04 07:51:06
date last changed
2024-01-12 02:50:14
@article{70a0c637-d0d8-47f8-a239-9e6c504d7164,
  abstract     = {{AIMS/HYPOTHESIS: The randomised, double-blind, placebo-controlled Hyperbaric Oxygen Therapy (HBOT) in Diabetic Patients with Chronic Foot Ulcers (HODFU) study showed beneficial effect of HBOT. As this treatment is expensive and time-consuming, being able to select patients for therapy would be very useful. The aim of this study was to evaluate whether circulatory variables could help in predicting outcome of HBOT. METHODS: All HODFU study participants who completed therapy, predefined as receiving at least 36 out of 40 scheduled HBOT/placebo sessions, were included in this study (n = 75). Baseline transcutaneous oximetry (TcPO(2)), toe blood pressure (TBP) and ankle-brachial index (ABI) were measured. Ulcer healing rate was registered at the 9-month follow-up visit. An ulcer was considered healed when it was completely epithelialised and remained so at the 12-month follow-up. RESULTS: In the HBOT group TcPO(2) were significantly lower for patients whose ulcer did not heal as compared with those whose ulcers healed. A significantly increased healing frequency was seen with increasing TcPO(2) levels in the HBOT group (TcPO(2)/healing rate: &lt;25 mmHg/0%; 26-50 mmHg/50%; 51-75 mmHg/73%; and &gt;75 mmHg/100%). No statistically significant relation between the level of TBP or ABI and healing frequency was seen. CONCLUSIONS/INTERPRETATION: Our results indicate that TcPO(2) in contrast to ABI and TBP correlates to ulcer healing following HBOT. We suggest HBOT as a feasible adjunctive treatment modality in diabetic patients with chronic non-healing foot ulcers when basal TcPO(2) at the dorsum of the foot is above 25 mmHg. TRIAL REGISTRATION: NCT00953186 FUNDING: Mrs Thelma Zoegas Foundation and Faculty of Medicine, Lund University.}},
  author       = {{Löndahl, Magnus and Katzman, Per and Hammarlund, C and Nilsson, A and Landin-Olsson, Mona}},
  issn         = {{1432-0428}},
  language     = {{eng}},
  pages        = {{65--68}},
  publisher    = {{Springer}},
  series       = {{Diabetologia}},
  title        = {{Relationship between ulcer healing after hyperbaric oxygen therapy and transcutaneous oximetry, toe blood pressure and ankle-brachial index in patients with diabetes and chronic foot ulcers.}},
  url          = {{http://dx.doi.org/10.1007/s00125-010-1946-y}},
  doi          = {{10.1007/s00125-010-1946-y}},
  volume       = {{54}},
  year         = {{2011}},
}