Injection of Cryopreserved Amniotic Membrane and Umbilical Cord Particulate for Pressure Injuries: A Retrospective Case Series
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Abstract:
PI poses a significant burden to society. Cryopreserved AMUC has potential benefits in managing complex wounds owing to its anti-inflammatory, anti-scarring, and proregenerative properties. AMUC grafts are commonly in sheets, but also come as morselized powders that can be sprinkled or injected. The authors initially used AMUC injection in chronic PIs in March 2017.This is a single-center, retrospective review of patients with nonhealing PIs treated with AMUC particulate between March 2017 and November 2018. Incidence of wound healing (zero wound volume with complete reepithelialization) was measured at 12, 24, 36, and 52 weeks.Review included 26 PIs (21 patients); of which, 85% were stage 4 PIs, per the NPIAP staging system. After AMUC injection, 14 PIs (54%) achieved complete wound closure at a median of 12.4 weeks (range, 5-52 weeks). Complete wound closure was observed in 7 patients (27%) at 12 weeks, 10 patients (38%) at 24 weeks, 13 patients (50%) at 36 weeks, and 14 patients (54%) at 52 weeks. One patient with vascular issues required amputation; however, no treatment-related adverse events or complications were observed.These preliminary results suggest that injection of AMUC particulate may be a safe and promising treatment in promoting wound closure of difficult-to-treat PIs.Keywords:
Negative-pressure wound therapy
Seroma
Wound dehiscence
Incisional Hernia
Fat necrosis
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Background: The role of negative pressure wound therapy (NPWT) in the management of open chest wounds is unclear. Our aim was to determine the safety and efficacy of NPWT compared with conventional therapy for open chest wounds. Methods: Ten patients with infected open chest wounds were included in a prospective trial of NPWT after surgical debridement. Their outcomes were compared with those of 11 control patients treated during the same period with surgical debridement and open chest packing only. The control group data were obtained by retrospective review of medical records. Results: The median duration of NPWT was eight days (range 2-29 days), with closure in eight patients (80%). Two patients having NPWT had unveiling of occult pleural fistulas leading to early discontinuation. The patients having NPWT had a shorter median time to closure (7 versus 18 days; p = 0.071) and shorter initial (median 6 versus 20 days; p = 0.026) and total (median 6 versus 25 days; p = 0.024) hospital length of stay. Control patients had higher rates of new-onset atrial fibrillation (46% versus 0; p = 0.035) and septic shock (64% versus 10%; p = 0.024). The chest was either closed or healing at the time of the last visit in 100% of the NPWT patients versus 73% of control patients (p = 0.28). The 1-year survival estimates were 90% for the NPWT patients and 80% for the control patients (p = 0.69). Conclusion: Negative pressure wound therapy is feasible and safe for open infected chest wounds in selected patients compared with open packing alone and may reduce hospital stay duration and major complication rates.
Negative-pressure wound therapy
Debridement (dental)
Discontinuation
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Negative-pressure wound therapy
Granulation tissue
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We reviewed a consecutive series of 16 patients above 60 years of age (mean age 71 years) who underwent reconstruction with pedicled flaps in the lower extremity. The soft tissue defects ranged from 9 to 50 cm and were caused in 11 patients (70%) by surgical complications from previous surgeries. Of these, 5 patients underwent a total joint replacement of the knee (4 cases) and of the ankle (1 case). Surgery consisted of 19 muscular flaps, and 3 fasciocutaneous flaps. Six patients were treated with a combination of 2 flaps. The overall surgical complication rate after reconstruction was 44%. There was no perioperative mortality and there were no medical complications. One patient required an above-the-knee amputation because of uncontrollable postoperative bleeding. A thrombectomy was performed in another patient to treat a postoperative popliteal artery occlusion with critical ischemia of the leg. Other complications included recurrent total joint replacement infections (2 cases), marginal flap necrosis (4 cases), and skin necrosis at the donor site (1 case). The mean hospitalization stay was 46 days. All patients but 1 completely healed, although secondary surgery was performed in 7 patients. The occurrence of complications was not correlated with the preoperative morbidity or an age above 75 years. The local complication rate was higher than reported for free flap in the same age category, but the lack of perioperative mortality and medical complications make it a low-risk option for reconstruction of small- to middle-sized defects in the elderly.
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A 48-year-old woman with antiphospholipid syndrome (APS) had multiple skin necrosis caused by massive bleeding and hematoma collection at the right lower leg, left thigh, and abdomen. During the first month, we did surgical debridement every 2 to 3 days with meticulous coagulation and applied negative pressure wound therapy (NPWT). Then as the base showed initial granulation, we changed the NPWT every 4 days. NPWT was used with lower pressure and cyclic mode (−40 to −75 mm Hg) to minimize trauma and to reduce the possibility of bleeding from the wounds. After 2 months of NPWT treatment, all the wounds eventually healed with secondary intension despite the patient’s condition with diabetes, hemodialysis, anticoagulant use, and corticosteroid therapy. This report supports the idea that if accompanied by conservative debridement with meticulous bleeding control, application of NPWT in low pressures and close monitoring of the patient, NPWT is possible to use even in wounds of patients with risk for bleeding.
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Negative-pressure wound therapy
Wound dehiscence
Clinical endpoint
Seroma
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Abstract Some 114 patients (median age 52 years) underwent laparoscopic hernia repair as a day-case procedure. Twenty-one patients had bilateral and 11 recurrent hernias. Some 113 patients underwent transabdominal preperitoneal mesh repair but one required conversion to open operation. Mean operating time was 24 min for unilateral and 38 min for bilateral repair. In an operating session of 3·5 h, up to five patients (mean 4·4) underwent surgery and as many as seven hernias were repaired. More than 10 per cent of patients were found to have a previously undiagnosed hernia on the opposite side. A total of 111 patients were discharged home on the day of surgery. Major complications included one omental bleed and one small bowel obstruction. Seroma was the commonest minor complication and occurred in 7 per cent of patients. More than 35 per cent of patients needed no postoperative analgesia. To date there has been one recurrence (follow-up range 2–18 months).
Seroma
Bleed
Hernia Repair
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Chylothorax
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Incisional hernias develop in up to 11% of surgical abdominal wounds with a possible recurrence following repair of 44%. We describe our experience with a combined fascial and prosthetic mesh repair. Thirty-five patients (16M:19F) have been treated. The original operation was bowel related in 19 cases, gynaecological in 8, hepatopancreaticobiliary in 3 patients, aortic aneurysm repair in 2 and involved a thoraco-laparotomy in 3. The incisions were midline in 26 cases, transverse in 6, paramedian in 2 and rooftop in one patient. The hernias were considered subjectively to be large in 15, medium in 14 and small in 6 of the patients. A proforma was completed for each patient noting intra-operative and post-operative complications, post-operative hospital stay and analgesic requirements. Post-operative complications included seroma formation in 6 patients, deep vein thrombosis in one and a non-fatal pulmonary embolism in another. One patient developed a wound haematoma and one had a superficial wound infection. Post-operative in-hospital stay ranged from 1 to 27 days with a mean of 6.2 days. Of the 35 patients 33 were available for follow-up. Follow-up was for a median of 20.3 months (range 6.0 to 54.1 months). Two of these (6%) patients reported a persistent lump and one (3%) reported persistent pain but none of the remaining 33 was found to have a recurrence. We advocate this technique because it is applicable to all hernias, most of the mesh is behind the rectus sheath and has 2 points of fixation, it is relatively pain-free allowing early mobilisation, has a modest complication rate and a low recurrence rate.
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Incisional Hernia
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