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Influence of Peripheral Arterial Disease on Wound Healing in Heel Pressure Ulcers
Yumi Nishio1, Yoriko Tsuji2, Ikuro Kitano3
1Department of Plastic and Reconstructive Surgery, Kurashiki-Heisei General Hospital, Okayama, Japan.
Background:
There are cases of heel pressure ulcer with peripheral arterial disease (PAD). The influence of ischemia on wound healing was investigated.
Methods:
We retrospectively studied 253 patients with heel ulcers treated between January 2003 and March 2018. The patients were classified into PAD and non-PAD groups. The wound healing rate, wound healing time and the factors that influenced wound healing were examined.
Results:
There were 186 patients with PAD (73.5%). There were 41 (22.0%) and 35 (52.2%) wound healing cases with PAD and non-PAD, respectively (P < 0.001). In the non-PAD group, the deeper the ulcer, the lower the wound healing rate. However, in the PAD group, the increase in blood flow owing to revascularization affected the wound healing rate. The wound healing rate in the endovascular therapy (EVT) and bypass groups were 26.7% and 65.0%, respectively (P = 0.003). The wound healing time was 128 (interquartile range [IQR] 88-196) and 79 (IQR 35.5-187) days, with PAD and non-PAD, respectively (P = 0.0268). The wound healing time in the PAD group was 128 (IQR 93-174.5) days with bypass and 155.5 (IQR 86-237.5) days with EVT (P = 0.459).
Conclusions:
Heel pressure ulcers with PAD are difficult to treat. The wound healing rate was lower in the PAD than in the non-PAD group and the wound healing time also tended to be long. Successful revascularization is important for wound healing and bypass surgery had a shorter wound healing time and a higher wound healing rate than EVT.
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