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Chinese Journal of Microsurgery ; (6): 128-132, 2022.
Article in Chinese | WPRIM | ID: wpr-934181


Objective:To explore the clinical effect of antibiotic bone cement combined with delayed lateral supramolleolar perforator fascial flap in the treatment of diabetic foot(DF).Methods:From April 2020 to July 2021, a total of 6 patients with DF were treated with antibiotic bone cement combined with delayed lateral supramolleolar perforator fascial flap. The patients were 5 males and 1 female, aged from 45 to 67 years old with an average of 56.2 years old. The wounds were all located in dorsal foot, 4 in right foot and 2 in the left. The wound area was 2.4 cm×5.0 cm-6.5 cm×10.0 cm. The depth of wound were: 3 cases up to tendon layer, and 3 cases up to metatarsal bone. Two of the wound were complicated with metatarsal osteomyelitis. The wounds at Wagner grade 3 in 4 patients and grade 4 in 2 patients. The flap size was 3.0 cm×6.0 cm-8.0 cm×11.0 cm. All of the wounds were repaired with delayed supramolleolar perforator fascia flap after debridement, application of antibiotic bone cement and fumigation with Sanhuang decoction(a traditional Chinese medicine). The affected limbs were externally fixed with plaster and raised after surgery, and the colour, temperature, tension and capillary reaction of the flaps were closely observed. Stitches were removed 2 weeks after surgery and rehabilitation of the affected limb was performed. Regular follow-up was made postoperatively. The appearance of flaps and the scar of donor and recipient sites were observed. The foot and ankle function were evaluated by the American Orthopaedic Association foot and Ankle Surgery(AOFAS) score scale.Results:Six cases of DF had no recurrence of wound infection. All flaps survived well. The average follow-up time was 6(3-14) months. The postoperative follow-up revealed satisfactory appearance of the flap, only linear scars remained in the donor and recipient sites. The function of foot and ankle recovered well with full weight-bearing and normal walk. AOFAS scores ranged from 81 to 95.Conclusion:It is an effective method to treat DF by applying antibiotic bone cement combined with delayed superior lateral malleolus perforator fascial flap. The operation is simple, safe and can cut down the time of treatment, quickly control the wound infection. It deserves further trials.

Chinese Journal of Ultrasonography ; (12): 1026-1032, 2021.
Article in Chinese | WPRIM | ID: wpr-932357


Objective:To assess the left ventricular (LV) myocardial mechanical dysfunction in patients with cirrhosis using ultrasonic layer-specific strain imaging and to explore its value in clinical application.Methods:A total of 80 consecutive cirrhosis patients without cardiovascular diseases were prospectively enrolled from October 2020 to March 2021 in Sichuan Provincial People′s Hospital, 39 of whom were assigned to the compensated group and 41 were assigned to the decompensated group according to the occurrence of portal hypertension. Forty-three healthy volunteers during the same period were randomly recruited as the control group. Transthoracic echocardiography was performed to assess the LV configuration and functional parameters. LV global longitudinal strain in endocardial, middle and epicardial myocardium (GLSendo, GLSmid, GLSepi), and longitudinal strain (LS) in basal, middle and apical segments, and peak strain dispersion (PSD) were obtained using ultrasonic layer-specific strain imaging. ΔLS was calculated by the formula of GLSendo-GLSepi. Then, the differences of related parameters among three groups were compared.Results:①Conventional echocardiography: compared with the control group, the interventricular septum end-diastolic thickness (IVSTd), left ventricular posterior wall end-diastolic thickness (LVPWd), left ventricular mass (LVM) and LVM index (LVMI) were increased in compensated and decompensated groups (all P<0.05), while no significant differences in conventional echocardiographic parameters were identified between the two cirrhosis groups (all P>0.05). ②Global layer-specific strain: compared with the control group, GLSendo, GLSmid, GLSepi and ΔLS were decreased and PSD was increased in compensated and decompensated groups (all P<0.05); Moreover, the decompensated group showed a more impaired GLSendo, GLSmid and GLSepi than compensated group (all P<0.05), whereas there were no significant differences of ΔLS and PSD between the two groups(all P>0.05). ③Segmental layer-specific strain: compared with the control group, LS values of three layers in compensated and decompensated groups were reduced at basal, middle and apical levels (all P<0.05); Compared with the compensated group, LS values of three layers in decompensated group tended to be reduced at above there levels, but only apical segments had significant differences (all P<0.05). Conclusions:There are different degrees of LV mechanical dysfunction in patients with variable severity of cirrhosis. Ultrasonic layer-specific strain imaging has the potential to quantitatively assess the state of cardiac involvement in patients with cirrhosis and to provide visual evidence for the early and accurate diagnosis of myocardial injuries.