Assessment of the Characteristics and Detectability of Skin Perfusion Pressure Measured Using a Thermostatic Heating Probe

Watanabe, Yoshinori; Hara, Masaki; Kojima, Kenji; Tabuchi, Atsushi; Yunoki, Yasuhiro; Furukawa, Hiroshi; Yamasawa, Takahiko; Takiuchi, Hiroki; Honda, Takeshi; Kuwada, Noriaki; Tanemoto, Kazuo

doi:10.3400/avd.oa.13-00062

Cited by 2 publications

(1 citation statement)

References 15 publications

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“…In addition to its use in the diagnosis of critical limb ischemia (CLI) (20), in evaluating the severity of ischemia (21)(22)(23)(24), in the selection of the amputation plane (25), and in predicting wound healing, SPP is also used to evaluate the therapeutic efficacy of arterial revascularization surgery (26,27), endovascular therapy (28), and medicines used for the treatment of peripheral artery disease (PAD) and CLI (29,30). In a previous study, Watanabe et al (31) revised the laser Doppler technology, and SPP was measured using a thermostatic heating probe. It was demonstrated that this was useful for improving the detectability of SPP in ischemic limbs, and that an increase in SPP following heating may be a potential predictor of limb ischemia.…”

Section: Measurement Of Sppmentioning

confidence: 99%

Skin perfusion pressure as a predictor of ischemic wound healing potential (Review)

Pan

Chen

et al. 2018

biom rep

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Abstract. Skin perfusion pressure (SPP) is the blood pressure that is the requisite for the restoration of microcirculatory or capillary flow following controlled occlusion and subsequent flow return. The purpose of the current review was to evaluate the value of SPP for the prediction of wound healing in patients with limb ischemia. Articles published up to January 31, 2017 were searched in the PubMed database and Chinese database CNKI, using the keywords of 'skin perfusion pressure', 'limb ischemia' and 'wound healing'. Articles were obtained and reviewed to analyze the predictive value of SPP with regard to the healing potential of ischemia wounds on limbs. Three different types of techniques are currently used for the measurement of SPP, namely radioisotope clearance, photoplethysmography and laser Doppler, with laser Doppler as the most widely applied technique, due to its noninvasiveness and ease of operability. SPP may effectively assess wound healing potential in ischemic limbs with high sensitivity and specificity; however, its optimum cut-off point remains uncertain. Compared with other noninvasive microcirculatory assessment tools including ankle-brachial index, toe blood pressure and transcutaneous oxygen pressure, SPP has its advantages including that it is not affected by vascular calcification, anatomical structure or patient condition. In conclusion, SPP may be used as an index to accurately predict wound healing in patients with limb ischemia. However, it is difficult to determine the optimum cut-off of SPP due to the limitations of current data. Further study is necessary to confirm the optimum cut-off value of SPP in predicting wound healing potential.

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Section: Measurement Of Sppmentioning

confidence: 99%

Skin perfusion pressure as a predictor of ischemic wound healing potential (Review)

Pan

Chen

et al. 2018

biom rep

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Mönckeberg's Medial Calcific Sclerosis Makes Traditional Arterial Doppler's Unreliable in High-Risk Patients with Diabetes

Suludere

Killeen

Crisologo

et al. 2023

The International Journal of Lower Extremity Wounds

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Objective To assess Mönckeberg's medial calcific sclerosis (MMCS) severity in patients with a diabetic foot infection. Methods This was an analysis of 2 randomized clinical trials in which we evaluated the treatment of 233 patients admitted to the hospital for moderate and severe foot infections. Arterial calcification was defined as visible radiopaque arteries on foot and ankle radiographs, recorded as the most distal visible artery involved (toes, metatarsals, and ankle/hindfoot). Results Most subjects (57.1%, n = 133) had MMCS, with extension to toes in 79 (59.4%), to metatarsals in 32 (24.1%), and to ankle/hindfoot in 22 patients (16.5%). In 7 patients (5.2%) MMCS was solely seen in dorsalis pedis (DP) artery, in 13 patients (9.8%) in posterior tibialis (PT) artery, and in 113 patients (85.0%) MMCS was seen in both arteries. Only 29.2% ( n = 68) of DP arteries and 34.8% (n = 81) of PT arteries were not compressible by Doppler. DP and PT arteries were not compressible more often in MMCS (DP 34.3% vs 20.4%, P = .02 and PT 43.1% vs 21.4%, P < .01), toe-brachial indices of ≥0.7 were significantly more common in people without MMCS (46.0% vs 67.4%, P < .01). In contrast, there were no differences in skin perfusion pressure measurements (>50 mmHg; 67.7% vs 68.0%, P = .96), waveforms (biphasic/triphasic 83.5% vs 77.0%, P = .22), and pulse volume recording (9.6 ± 3.3 vs 13.7 ± 36.0) between patients with and without MMCS. Conclusion MMCS is common in patients with diabetic foot infections. MMCS is associated with noncompressible arterial Doppler studies and likely interferes with the accuracy of arterial Doppler studies.

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Assessment of the Characteristics and Detectability of Skin Perfusion Pressure Measured Using a Thermostatic Heating Probe

Cited by 2 publications

References 15 publications

Skin perfusion pressure as a predictor of ischemic wound healing potential (Review)

Skin perfusion pressure as a predictor of ischemic wound healing potential (Review)

Mönckeberg's Medial Calcific Sclerosis Makes Traditional Arterial Doppler's Unreliable in High-Risk Patients with Diabetes

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