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Mubashir M, Tang B, DeBernardo RL, Feng X. Surgical management of spontaneous bowel perforation and fascial dehiscence in a patient on bevacizumab and pembrolizumab in the setting of active Clostridium difficile infection. BMJ Case Rep 2023; 16:e253815. [PMID: 37137546 PMCID: PMC10163437 DOI: 10.1136/bcr-2022-253815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2023] Open
Abstract
Immunotherapy such as bevacizumab and pembrolizumab is used to treat an increasing number of malignancies. These medications have been associated with poor wound healing and several gastrointestinal complications, including intestinal perforations in rare cases. We present a unique case of a patient with metastatic cervical cancer on pembrolizumab and recent bevacizumab therapy, presenting with a colonic perforation requiring urgent exploratory laparotomy, in the setting of active Clostridium difficile infection. She required a second laparotomy shortly after due to fascial dehiscence, where a synthetic absorbable mesh was used for fascial approximation. We review the factors that led to these events and describe the surgical technique used for safe abdominal closure.
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Affiliation(s)
| | - Brian Tang
- General Surgery, Cleveland Clinic, Cleveland, Ohio, USA
| | - Robert L DeBernardo
- Obstetrics and Gynecology and Women's Health Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Xiaoxi Feng
- General Surgery, Cleveland Clinic, Cleveland, Ohio, USA
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2
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Winsnes A, Ivarsson ML, Falk P, Gunnarsson U, Strigård K. Similar collagen distribution in full-thickness skin grafts in intraperitoneal and onlay positions, an experimental mice-study. Hernia 2022; 26:1695-1705. [PMID: 36048398 DOI: 10.1007/s10029-022-02664-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Accepted: 08/02/2022] [Indexed: 11/25/2022]
Abstract
PURPOSE Autologous full-thickness skin grafting (FTSG) has the potential to become an option in abdominal wall repair. An understanding of tissue remodelling in the extracellular matrix (ECM) is crucial as this interplay determines such parameters as tissue strength and flexibility. This cross-sectional preclinical laboratory study in mice provides information on the distribution of collagen types and matrix metalloproteinases (MMPs) in the ECM of FTSGs in the intraperitoneal and onlay positions compared with internal controls. The aim was to evaluate morphologic changes after tissue remodelling and repair in FTSGs applied in the two positions and to detect any adverse host response. METHODS ECM components were evaluated as follows: qualitative examination of collagen bundle thickness using Picrosirius Red staining (collagen types I, III and IV); and evaluation of collagen types IV and V, as well as MMPs 1, 8 and 9 using immunohistochemical staining. Full-thickness grafts transplanted between female twin mice were examined as this best mimics autologous transplantation. RESULTS At 8 weeks, FTSGs in the intraperitoneal position did not show any noticeable differences in morphologic appearance to those in the onlay position. Both intraperitoneal and onlay FTSGs showed increases in the amount of thick collagen bundles compared to internal controls. No correlation was seen between distribution of MMPs 1, 8 or 9 and distribution of collagen types I, III, IV or V. CONCLUSION This preclinical study shows that FTSGs in both intraperitoneal and onlay positions are possible application site options and, by extension, promising application site options for abdominal wall reinforcement in hernia surgery. Clinical studies in humans are required to confirm these findings.
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Affiliation(s)
- A Winsnes
- Department of Surgical and Perioperative Sciences, Surgery, Umeå University, Daniel Naezéns väg, 901 87, Umeå, Sweden
| | - M-L Ivarsson
- Department of Surgery, University of Gothenburg, Gothenburg, Sweden
| | - P Falk
- Department of Surgery, University of Gothenburg, Gothenburg, Sweden
| | - U Gunnarsson
- Department of Surgical and Perioperative Sciences, Surgery, Umeå University, Daniel Naezéns väg, 901 87, Umeå, Sweden
| | - K Strigård
- Department of Surgical and Perioperative Sciences, Surgery, Umeå University, Daniel Naezéns väg, 901 87, Umeå, Sweden.
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Rajabaleyan P, Michelsen J, Tange Holst U, Möller S, Toft P, Luxhøi J, Buyukuslu M, Bohm AM, Borly L, Sandblom G, Kobborg M, Aagaard Poulsen K, Schou Løve U, Ovesen S, Grant Sølling C, Mørch Søndergaard B, Lund Lomholt M, Ritz Møller D, Qvist N, Bremholm Ellebæk M. Vacuum-assisted closure versus on-demand relaparotomy in patients with secondary peritonitis-the VACOR trial: protocol for a randomised controlled trial. World J Emerg Surg 2022; 17:25. [PMID: 35619144 PMCID: PMC9137120 DOI: 10.1186/s13017-022-00427-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Accepted: 05/11/2022] [Indexed: 11/25/2022] Open
Abstract
Background Secondary peritonitis is a severe condition with a 20–32% reported mortality. The accepted treatment modalities are vacuum-assisted closure (VAC) or primary closure with relaparotomy on-demand (ROD). However, no randomised controlled trial has been completed to compare the two methods potential benefits and disadvantages. Methods This study will be a randomised controlled multicentre trial, including patients aged 18 years or older with purulent or faecal peritonitis confined to at least two of the four abdominal quadrants originating from the small intestine, colon, or rectum. Randomisation will be web-based to either primary closure with ROD or VAC in blocks of 2, 4, and 6. The primary endpoint is peritonitis-related complications within 30 or 90 days and one year after index operation. Secondary outcomes are comprehensive complication index (CCI) and mortality after 30 or 90 days and one year; quality of life assessment by (SF-36) after three and 12 months, the development of incisional hernia after 12 months assessed by clinical examination and CT-scanning and healthcare resource utilisation. With an estimated superiority of 15% in the primary outcome for VAC, 340 patients must be included. Hospitals in Denmark and Europe will be invited to participate. Discussion There is no robust evidence for choosing either open abdomen with VAC treatment or primary closure with relaparotomy on-demand in patients with secondary peritonitis. The present study has the potential to answer this important clinical question. Trial Registration The study protocol has been registered at clinicaltrials.gov (NCT03932461). Protocol version 1.0, 9 January 2022. Supplementary Information The online version contains supplementary material available at 10.1186/s13017-022-00427-x.
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Affiliation(s)
- Pooya Rajabaleyan
- Research Unit for Surgery, Odense University Hospital, Odense, Denmark. .,University of Southern Denmark, Odense, Denmark.
| | - Jens Michelsen
- Research Unit for Anaesthesiology, Odense University Hospital, Odense, Denmark.,University of Southern Denmark, Odense, Denmark
| | - Uffe Tange Holst
- Research Unit for Surgery, Odense University Hospital, Odense, Denmark.,University of Southern Denmark, Odense, Denmark
| | - Sören Möller
- OPEN, Open Patient Data Explorative Network, Odense University Hospital and Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Palle Toft
- Research Unit for Anaesthesiology, Odense University Hospital, Odense, Denmark.,University of Southern Denmark, Odense, Denmark
| | - Jan Luxhøi
- Surgical Department, Hospital of Southwest Jutland, Esbjerg, Denmark
| | - Musa Buyukuslu
- Surgical Department, Hospital of Southwest Jutland, Esbjerg, Denmark
| | | | - Lars Borly
- Surgical Department, Holbæk Hospital, Holbæk, Denmark
| | | | | | - Kristian Aagaard Poulsen
- Research Unit for Surgery, Odense University Hospital, Odense, Denmark.,University of Southern Denmark, Odense, Denmark
| | | | - Sophie Ovesen
- Surgical Department, Viborg Hospital, Viborg, Denmark
| | | | | | | | | | - Niels Qvist
- Research Unit for Surgery, Odense University Hospital, Odense, Denmark.,University of Southern Denmark, Odense, Denmark
| | - Mark Bremholm Ellebæk
- Research Unit for Surgery, Odense University Hospital, Odense, Denmark.,University of Southern Denmark, Odense, Denmark
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4
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Winsnes A, Falk P, Gunnarsson U, Strigård K. Full-thickness skin grafts to reinforce the abdominal wall: a cross-sectional histological study comparing intra- and extraperitoneal onlay positions in mice. J Wound Care 2022; 31:48-55. [PMID: 35077208 DOI: 10.12968/jowc.2022.31.1.48] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
INTRODUCTION In the repair of complex abdominal wall hernia, there can be a strong preference to avoid synthetic or biological implants as reinforcement material. Autologous full-thickness skin grafts (FTSG) have shown promising results. However, there are few clinical data on the use of FTSG in an intraperitoneal position and rudimentary knowledge about postoperative histological appearance of tissue remodelling and repair. OBJECTIVE To investigate the histological appearance of FTSG in the intraperitoneal onlay mesh (IPOM) position. METHODS Isogeneic FTSG was positioned in the IPOM (10 mice) and the onlay position (10 mice). After eight weeks, tissues were harvested for histological analysis. Tissue structure, inflammation and cell survival were investigated with histological and immunohistochemical staining. RESULTS Morphology was similar in both positions. Luciferase staining indicated both onlay and IPOM graft cell survival, with microvascular networks present. In both positions, FTSG showed ongoing tissue remodelling processes and cystic formations containing hair and epidermis. Low-grade acute phase and chronic inflammation were present. Integration was observed in 50% of the mice with similar appearances in IPOM and onlay grafts. CONCLUSION FTSG is tolerated, with comparable results either inside or outside the abdominal cavity, and in line with historic histological evaluations. The results suggest further research on FTSG as a potential future reinforcement material in selected cases of complex abdominal wall hernia repair.
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Affiliation(s)
- Annika Winsnes
- Faculty of Medicine, Department of Surgical and Perioperative Sciences, Surgery, Umeå University, Daniel Naezéns väg, 901 85, Umeå, Sweden
| | - Peter Falk
- Fibrinolysis Lab/Tissue Center, Department of Surgery, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, 416 85 Gothenburg, Sweden
| | - Ulf Gunnarsson
- Faculty of Medicine, Department of Surgical and Perioperative Sciences, Surgery, Umeå University, Daniel Naezéns väg, 901 85, Umeå, Sweden
| | - Karin Strigård
- Faculty of Medicine, Department of Surgical and Perioperative Sciences, Surgery, Umeå University, Daniel Naezéns väg, 901 85, Umeå, Sweden
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Piccoli M, Agresta F, Attinà GM, Amabile D, Marchi D. "Complex abdominal wall" management: evidence-based guidelines of the Italian Consensus Conference. Updates Surg 2018; 71:255-272. [PMID: 30255435 PMCID: PMC6647889 DOI: 10.1007/s13304-018-0577-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2017] [Accepted: 08/03/2018] [Indexed: 11/29/2022]
Abstract
To date, there is no shared consensus on a definition of a complex abdominal wall in elective surgery and in the emergency, on indications, technical details, complications, and follow-up. The purpose of the conference was to lay the foundations for a homogeneous approach to the complex abdominal wall with the primary intent being to attain the following objectives: (1) to develop evidence-based recommendations to define “complex abdominal wall”; (2) indications in emergency and in elective cases; (3) management of “complex abdominal wall”; (4) techniques for temporary abdominal closure. The decompressive laparostomy should be considered in a case of abdominal compartment syndrome in patients with critical conditions or after the failure of a medical treatment or less invasive methods. In the second one, beyond different mechanism, patients with surgical emergency diseases might reach the same pathophysiological end point of trauma patients where a preventive “open abdomen” might be indicated (a temporary abdominal closure: in the case of a non-infected field, the Wittmann patch and the NPWT had the best outcome followed by meshes; in the case of an infected field, NPWT techniques seem to be the preferred). The second priority is to create optimal both general as local conditions for healing: the right antimicrobial management, feeding—preferably by the enteral route—and managing correctly the open abdomen wall. The use of a mesh appears to be—if and when possible—the gold standard. There is a lot of enthusiasm about biological meshes. But the actual evidence supports their use only in contaminated or potentially contaminated fields but above all, to reduce the higher rate of recurrences, the wall anatomy and function should be restored in the midline, with or without component separation technique. On the other site has not to be neglected that the use of monofilament and macroporous non-absorbable meshes, in extraperitoneal position, in the setting of the complex abdomen with contamination, seems to have a cost effective role too. The idea of this consensus conference was mainly to try to bring order in the so copious, but not always so “evident” literature utilizing and exchanging the expertise of different specialists.
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Affiliation(s)
- Micaela Piccoli
- Department of General Surgery, General Surgery Unit, New Sant'Agostino Hospital, Via Pietro Giardini, 1355, 41126, Modena, Italy
| | - Ferdinando Agresta
- Department of General Surgery, ULSS19 Veneto, Piazzale degli Etruschi 9, 45011, Adria, Italy
| | - Grazia Maria Attinà
- Department of General Surgery, General Surgery Unit, S. Camillo-Forlanini Hospital, Circonvallazione Gianicolense, 87, 00152, Rome, Italy.
| | - Dalia Amabile
- Department of General Surgery, General Surgery 1, Saint Chiara Hospital, Largo Medaglie D'oro, 9, 38122, Trento, Italy
| | - Domenico Marchi
- Department of General Surgery, General Surgery Unit, New Sant'Agostino Hospital, Via Pietro Giardini, 1355, 41126, Modena, Italy
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Abstract
The open abdomen technique and temporary abdominal closure after damage control surgery is fast becoming the standard of care for managing intra-abdominal bleeding and infectious or ischemic processes in critically ill patients. Expansion of this technique has evolved from damage control surgery in severely injured trauma patients to use in patients with abdominal compartment syndrome due to acute pancreatitis and other disorders. Subsequent therapies after use of the open abdomen technique and temporary abdominal closure are resuscitation in the intensive care unit and planned reoperation to manage the underlying cause of bleeding, infection, or ischemia. Determining the need for this potentially lifesaving intervention and managing the wound after the open abdomen has been created are all within the realm of critical care nurses. Case studies illustrate the implementation of the open abdomen technique and patient management strategies.
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Affiliation(s)
- Eleanor R Fitzpatrick
- Eleanor R. Fitzpatrick is a clinical nurse specialist for surgical critical care at the Thomas Jefferson University Hospital, Philadelphia, Pennsylvania.
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7
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Parshikov VV, Mironov AA, Anikina EA, Kazantsev AA, Zaslavskaya MI, Alyokhin AI. [To the question about a possibility of use ultra-light titanium- containing mesh in abdominal wall repair in contaminated fields (experimental study)]. Khirurgiia (Mosk) 2016:64-70. [PMID: 27905376 DOI: 10.17116/hirurgia20161164-70] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- V V Parshikov
- Nizhny Novgorod State Medical Academy, 10/1 Minin and Pozharsky square, Nizhny Novgorod; Nizhny Novgorod City Hospital #35, Nizhny Novgorod
| | - A A Mironov
- Nizhny Novgorod State Medical Academy, 10/1 Minin and Pozharsky square, Nizhny Novgorod; N.I. Lobachevsky State University, 10 Gagarin av., Nizhny Novgorod
| | - E A Anikina
- Nizhny Novgorod City Hospital #35, Nizhny Novgorod
| | - A A Kazantsev
- Central Clinical Hospital of the Russian Academy of Sciences, Moscow, Russia
| | - M I Zaslavskaya
- Nizhny Novgorod State Medical Academy, 10/1 Minin and Pozharsky square, Nizhny Novgorod
| | - A I Alyokhin
- Central Clinical Hospital of the Russian Academy of Sciences, Moscow, Russia
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8
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Tissue Expanders in Skin Deficient Ventral Hernias Utilizing Component Separation. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2015; 3:e563. [PMID: 26893988 PMCID: PMC4727715 DOI: 10.1097/gox.0000000000000515] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2015] [Accepted: 08/18/2015] [Indexed: 11/26/2022]
Abstract
Skin deficient complex ventral hernias are complicated surgical cases that have multimodal approaches. There is no current consensus on the management of those patients who also have concomitant stomas or enterocutaneous fistula. We present 2 cases in which the senior authors were able to apply tissue expanders above and between the abdominal wall in patients with an enterocutaneous fistula or stoma. After expansion and final closure, the patients did not experience recurrent hernias.
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9
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Sharma D, Hayman K, Stewart BT, Dominguez L, Trelles M, Saqeb S, Kasonga C, Hangi TK, Mupenda J, Naseer A, Wong E, Kushner AL. Surgery for Conditions of Infectious Etiology in Resource-Limited Countries Affected by Crisis: The Médecins Sans Frontières Operations Centre Brussels Experience. Surg Infect (Larchmt) 2015; 16:721-7. [PMID: 26230672 DOI: 10.1089/sur.2015.012] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND Surgery for infection represents a substantial, although undefined, disease burden in low- and middle-income countries (LMICs). Médecins Sans Frontières-Operations Centre Brussels (MSF-OCB) provides surgical care in LMICs and collects data useful for describing operative epidemiology of surgical need otherwise unmet by national health services. This study aimed to describe the experience of MSF-OCB operations for infections in LMICs. By doing so, the results might aid effective resource allocation and preparation of future humanitarian staff. METHODS Procedures performed in operating rooms at facilities run by MSF-OCB from July 2008 through June 2014 were reviewed. Projects providing specialty care only were excluded. Procedures for infection were described and related to demographics and reason for humanitarian response. RESULTS A total of 96,239 operations were performed at 27 MSF-OCB sites in 15 countries between 2008 and 2014. Of the 61,177 general operations, 7,762 (13%) were for infections. Operations for skin and soft tissue infections were the most common (64%), followed by intra-abdominal (26%), orthopedic (6%), and tropical infections (3%). The proportion of operations for skin and soft tissue infections was highest during natural disaster missions (p<0.001), intra-abdominal infections during hospital support missions (p<0.001) and orthopedic infections during conflict missions (p<0.001). CONCLUSION Surgical infections are common causes for operation in LMICs, particularly during crisis. This study found that infections require greater than expected surgical input given frequent need for serial operations to overcome contextual challenges and those associated with limited resources in other areas (e.g., ward care). Furthermore, these results demonstrate that the pattern of operations for infections is related to nature of the crisis. Incorporating training into humanitarian preparation (e.g., surgical sepsis care, ultrasound-guided drainage procedures) and ensuring adequate resources for the care of surgical infections are necessary components for providing essential surgical care during crisis.
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Affiliation(s)
- Davina Sharma
- 1 Department of International Health, Johns Hopkins Bloomberg School of Public Health , Baltimore, Maryland
| | - Kate Hayman
- 1 Department of International Health, Johns Hopkins Bloomberg School of Public Health , Baltimore, Maryland
| | - Barclay T Stewart
- 2 Department of Surgery, University of Washington , Seattle, Washington
| | - Lynette Dominguez
- 3 Médecins sans Frontières-Operational Centre Brussels , Surgical Unit, Brussels, Belgium
| | - Miguel Trelles
- 3 Médecins sans Frontières-Operational Centre Brussels , Surgical Unit, Brussels, Belgium
| | - Sanaulhaq Saqeb
- 3 Médecins sans Frontières-Operational Centre Brussels , Surgical Unit, Brussels, Belgium .,4 Hospital Ahmad Sha Baba , Médecins sans Frontières, Kabul, Afghanistan
| | - Cheride Kasonga
- 3 Médecins sans Frontières-Operational Centre Brussels , Surgical Unit, Brussels, Belgium .,5 General Referral Hospital , Médecins sans Frontières, Niangara, Democratic Republic of the Congo
| | - Theophile Kubuya Hangi
- 3 Médecins sans Frontières-Operational Centre Brussels , Surgical Unit, Brussels, Belgium .,6 General Referral Hospital , Médecins sans Frontières, Masisi, Democratic Republic of the Congo
| | - Jerome Mupenda
- 3 Médecins sans Frontières-Operational Centre Brussels , Surgical Unit, Brussels, Belgium .,7 General Referral Hospital , Médecins sans Frontières, Lubutu, Democratic Republic of the Congo
| | - Aamer Naseer
- 3 Médecins sans Frontières-Operational Centre Brussels , Surgical Unit, Brussels, Belgium .,8 District Headquarters Hospital , Médecins sans Frontières, Timurgara, Lower Dir, Pakistan
| | - Evan Wong
- 9 Centre for Global Surgery, McGill University Health Centre , Montreal, Quebec, Canada
| | - Adam L Kushner
- 1 Department of International Health, Johns Hopkins Bloomberg School of Public Health , Baltimore, Maryland.,10 Surgeons over Seas (SOS) , New York, New York
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Hougaard HT, Ellebaek M, Holst UT, Qvist N. The open abdomen: temporary closure with a modified negative pressure therapy technique. Int Wound J 2015; 11 Suppl 1:13-6. [PMID: 24851731 DOI: 10.1111/iwj.12281] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2014] [Accepted: 03/04/2014] [Indexed: 12/26/2022] Open
Abstract
The most common indications for an open abdomen (OA) are abdominal compartment syndrome, damage control surgery, diffuse peritonitis and wound dehiscence, and often require a temporary abdominal closure (TAC). The different TAC methods that are currently available include skin closure techniques, mesh products and negative pressure therapy (NPT) systems. For this study, we retrospectively reviewed records of 115 OA patients treated with the commercially available NPT systems (V.A.C.(®) Abdominal Dressing System and ABThera™ Open Abdomen Negative Pressure Therapy System) using a new method of applying the system - the narrowing technique - over a 5-year period. Endpoints included fascial closure and 30-day mortality rates and presence of enteroatmospheric fistulas. Secondary closure of the fascia was obtained in 92% (106/115) of the patients with a mortality rate of 17% (20/115) and a fistula rate of 3·5% (4/115). The use of the narrowing technique to apply NPT may explain the high closure rates observed in the patient population of this study. Further studies are necessary to compare the different methods and to evaluate the long-term outcomes.
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Dell DD, Held-Warmkessel J, Jakubek P, O'Mara T. Care of the Open Abdomen After Cytoreductive Surgery and Hyperthermic Intraperitoneal Chemotherapy for Peritoneal Surface Malignancies. Oncol Nurs Forum 2014; 41:438-41. [DOI: 10.1188/14.onf.438-441] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Rapidly in situ forming platelet-rich plasma gel enhances angiogenic responses and augments early wound healing after open abdomen. Gastroenterol Res Pract 2013; 2013:926764. [PMID: 24382956 PMCID: PMC3870633 DOI: 10.1155/2013/926764] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2013] [Accepted: 11/03/2013] [Indexed: 12/16/2022] Open
Abstract
Objective. The purposes of our present study were to evaluate the potential of platelet-rich plasma gel to enhance granulation tissue formation after open abdomen and to examine whether the effect was attributable to stimulating rapid neovascularization. Methods. Twenty-four rats underwent colon ascendens stent peritonitis surgery to induce sepsis, followed by intraperitoneal injection of nitrogen to create intra-abdominal hypertension. Four hours later, laparotomies were performed. The rats were randomized into three groups (n = 8 for each group): control, platelet-poor plasma (PPP), and platelet-rich plasma (PRP) groups. One week after the treatment, granulation tissue formation and angiogenesis were evaluated by histological and laser Doppler analysis. Results. The resultant platelet count in platelet-rich plasma was higher than that of PPP. The concentrations of platelet-derived growth factor BB, transforming growth factor β-1, and vascular endothelial growth factor in PRP were significantly higher when compared with that of PPP. Myofibroblast count, granulation tissue thickness, vessel numbers, and blood perfusion were increased in PRP group, followed by PPP group, with control being the least. Conclusion. Rapidly in situ forming platelet-rich plasma gel promoted remarkable neovascularization and early wound healing after open abdomen and may lead to novel and effective treatments for open abdominal wounds.
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