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DeMaria S, Nolasco L, Igwe D, Jules RS, Bekki Y, Smith NK. Prediction, prevention, and treatment of post reperfusion syndrome in adult orthotopic liver transplant patients. Clin Transplant 2023:e15014. [PMID: 37178452 DOI: 10.1111/ctr.15014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Revised: 03/27/2023] [Accepted: 04/30/2023] [Indexed: 05/15/2023]
Abstract
IMPORTANCE This review explores proposed predictors, preventative measures, and treatment options for post-reperfusion syndrome (PRS) in liver transplantation and provides updated data for clinicians. OBJECTIVES The review aims to understand the status and progress made regarding PRS during orthotopic liver transplantation. Moreover, the predictors of PRS will be analyzed to highlight risk factors. Mediators of PRS and the modes of action of the currently available preventative and management agents that target particular PRS factors will be investigated. DATA SOURCES Data is drawn from secondary sources from databases of peer-reviewed journals. The bibliographies of select sources were also used to obtain additional data studies using the 'snowball' method. STUDY SELECTION The initial data search provided 1394 studies analyzed using PRISMA Extension for Scoping Reviews (PRISMA-ScR) guidelines. After applying the eligibility criteria, 18 studies were fit for inclusion. RESULTS The study identified that in addition to the severity of underlying medical conditions, other significant PRS predictors included patient age, sex, duration of cold ischemia, and the surgical technique. While the use of epinephrine and norepinephrine is well-established, further preventative measures commonly involve specifically targeting known mediators of the syndrome, such as antioxidants, vasodilators, free radical scavengers, and anticoagulants. Current management strategies involve supportive therapy. Machine Perfusion may ultimately decrease the risk of PRS. CONCLUSION PRS still holds unknowns, including the underlying pathophysiology, controllable factors, and ideal management practices. There is a need for further study, particularly prospective trials since liver transplantation is the gold standard for treating end-stage liver disease and the incidence of PRS remains high.
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Affiliation(s)
- Samuel DeMaria
- The Department of Anesthesiology, Perioperative and Pain Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Lyle Nolasco
- The Department of Anesthesiology, Perioperative and Pain Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Divya Igwe
- The Department of Anesthesiology, Perioperative and Pain Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Robert St Jules
- The Department of Anesthesiology, Perioperative and Pain Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Yuki Bekki
- The Department of Transplant Surgery, Recanati/Miller Transplant Institute, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Natalie K Smith
- The Department of Anesthesiology, Perioperative and Pain Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA
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Nolasco L, Igwe D, Smith NK, Sakai T. Abdominal Organ Transplantation: Noteworthy Literature in 2022. Semin Cardiothorac Vasc Anesth 2023; 27:97-113. [PMID: 37037789 DOI: 10.1177/10892532231169075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
Abstract
This review highlights noteworthy literature published in 2022 pertinent to anesthesiologists and critical care physicians caring for patients undergoing abdominal organ transplantation. We begin by exploring the impacts that the COVID-19 pandemic has had across the field of abdominal organ transplantation, including the successful use of grafts procured from COVID-19-infected donors. In pancreatic transplantation, we highlight several studies on dexmedetomidine and ischemia-reperfusion injury, equity in transplantation, and medical management, as well as studies comparing pancreatic transplantation to islet cell transplantation. In our section on intestinal transplantation, we explore donor selection. Kidney transplantation topics include cardiovascular risk management, obesity, and intraoperative management, including fluid resuscitation, dexmedetomidine, and sugammadex. The liver transplantation section focuses on clinical trials, systematic reviews, and meta-analyses published in 2022 and covers a wide range of topics, including machine perfusion, cardiovascular issues, renal issues, and coagulation/transfusion.
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Affiliation(s)
- Lyle Nolasco
- Department of Anesthesiology, Perioperative and Pain Medicine, Icahn School of Medicine at Mount Sinai Hospital, New York, NY, USA
| | - Divya Igwe
- Department of Anesthesiology, Perioperative and Pain Medicine, Icahn School of Medicine at Mount Sinai Hospital, New York, NY, USA
| | - Natalie K Smith
- Department of Anesthesiology, Perioperative and Pain Medicine, Icahn School of Medicine at Mount Sinai Hospital, New York, NY, USA
| | - Tetsuro Sakai
- Department of Anesthesiology and Perioperative Medicine, 6595University of Pittsburgh Medical Center, Pittsburgh, PA, USA
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Agada CA, Adesokan HK, Igwe D, Cadmus SIB. Mycobacterium africanum and nontuberculous mycobacteria from fresh milk of pastoral cattle and soft cheese in Oyo State--implications for public health. Afr J Med Med Sci 2014; 43 Suppl:13-20. [PMID: 26949776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
BACKGROUND Milk and.milk products from cattle in tuberculosis endemic countries like Nigeria where pasteurization is not enforced could be a source of health concerns to the consumers. METHODS We assessed randomly selected fresh milk from pastoral cattle, cheese samples and sour milk (nono) for the presence of Mycobacterium species through cultural isolation, Multiplex Polymerase Chain Reaction (PCR) and PCR-restriction enzyme analysis (PRA)-hsp65. RESULTS Out of 269 fresh milk, 295 cheese and 150 sour milk samples screened; 8.30%, 0.34% and 0.00%, respectively were positive for Mycobacterium species. Molecular characterization revealed three M. africanum (fresh milk = 2; cheese = 1) and a high prevalence of Non-tuberculous Mycobacterium (NTM; 89.29%) from fresh milk comprising M. gordonae (n = 12), M. fortuitum (n = 4), M. senegalense (n = 7) and M. avium (n = 1). CONCLUSION The isolation of M. africanum and NTM species from this study is a matter of public health concern considering the practice of pooling milk from different animals and the consumption of unpasteurized milk which characterize most pastoral communities in Nigeria. Given the predominance of NTM in this study, their potential to cause disease in humans should not be ignored. Urgent measures should also be taken to integrate molecular techniques that will differentiate NTM from members of the M. tuberculosis complex in the epidemiology of tuberculosis in order to avoid misdiagnosis in humans and thereby protect public health.
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Ejeh EF, Akinseye VO, Igwe D, Adesokan HK, Cadmus SIB. Molecular characterization of Mycobacterium bovis in slaughtered cattle in North-Central Nigeria and the public health implications. Afr J Med Med Sci 2014; 43 Suppl:97-104. [PMID: 26949786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
BACKGROUND The molecular biological techniques of polymerase chain reaction (PCR) are accurate and rapid diagnostic methods in the epidemiology of Mycobacterium species in humans and animals, especially in developing countries. METHODS In this study, positive cultures from suspected tuberculous lesions of slaughtered cattle from two abattoirs in north-central Nigeria were subjected to a two-step multiplex PCR technique, based on genus typing and genomic regions of difference (RD). RESULTS Out of 50 suspected tuberculous lesions cultured, 40 isolates were obtained. Based on genus typing, 32 of the isolates were identified as Mycobacterium tuberculosis complex (MTC), one as non-tuberculous Mycobacterium (NTM) and the remaining seven were unclassified. Using genomic RD multiplex PCR, all the 32 isolates initially identified as MTC were further characterized as M. bovis. CONCLUSION Our findings show that 80% of positive cultures from suspected tuberculous lesions were identified as M. bovis; hence, re-confirming M. bovis as the main cause of bovine tuberculosis in Nigeria. These results give further credence to the use of PCR-based molecular techniques as excellent complementary epidemiological tools in the tracking of bovine tuberculosis, a zoonotic disease of major public health importance in Nigeria.
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Okigbo R, Igwe D. Antimicrobial effects of Piper guineense 'Uziza' and Phyllantus amarus 'Ebe-benizo' on Candida albicans and Streptococcus faecalis. Acta Microbiol Immunol Hung 2007; 54:353-66. [PMID: 18088009 DOI: 10.1556/amicr.54.2007.4.3] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Two pathogens were employed, Streptococcus faecalis and Candida albicans for the study of the antimicrobial effects of Piper guineense and Phyllantus amarus using agar-well diffusion and disc-diffusion methods. Phytochemical screening of ethanol, cold and hot water extracts detected the presence of tannins, saponins, flavonoids, terpenoids and phlobatannins. Antimicrobial effect of the plant extracts showed that the organic solvent and aqueous solvents of P. amarus were inhibitory to S. faecalis while the extracts of Phyllantus amarus were not inhibitory to Candida albicans. Agar-well determined Minimum Inhibitory Concentration (MIC) values ranged between 3.125 mg/ml and 6.25 mg/ml while the disc diffusion determined MIC values ranged between 6.25 mg/ml and 25.0 mg/ml. The agar-well determined MIC values for the ethanolic P. amarus extracts (3.12 mg/ml) were lower than the corresponding disc-diffusion MIC determined values (6.25 mg/ml-25.00 mg/ml). Bacteriocidal and bacteriostatic effect varied with, solvent type of extract, concentration of the plant extract and the method of the test adopted. The active components of the plant have no antifungal effect on the tested yeast (Candida albicans). These findings are discussed in relation to plant chemicals as a means of disease control and also to the problem of microbial resistance to synthetic drugs.
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Affiliation(s)
- R. Okigbo
- 1 Nnamdi Azikiwe University Department of Botany PMB 5025 Awka Anambra State Nigeria
| | - D. Igwe
- 2 Michael Okpara University of Agriculture, Umudike Department of Microbiology PMB 7267 Umuahia Abia State Nigeria
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Fobi M, Lee H, Igwe D, Felahy B, James E, Stanczyk M, Fobi N. Band erosion: incidence, etiology, management and outcome after banded vertical gastric bypass. Obes Surg 2001; 11:699-707. [PMID: 11775567 DOI: 10.1381/09608920160558632] [Citation(s) in RCA: 72] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND Prosthetic devices have been used in bariatric operations to control the outlet of the gastric pouch and thus maintain weight loss. A complication of these prostheses is erosion or migration into the gastric lumen. The transected banded vertical gastric bypass (TBVGBP) is one of the modifications of gastric bypass. This modification has a silastic ring placed around the pouch to form the stoma. METHOD The records of patients with band erosion (BE) after this operation were reviewed, to determine the incidence, etiology, management and outcome during a 9-year period. RESULTS From May 1992 through May 2001, 2,949 primary and secondary TBVGBP were performed through the Center for Surgical Treatment of Obesity, utilizing 3 hospitals. 48 patients (1.63%) were documented to have BE: 40 documented by us and 8 by subsequent treating surgeons or at other facilities. Presenting symptoms were weight regain (18), stenosis or obstruction (17), pain (9), bleeding (7), and 5 were incidental findings. Some patients presented with more than one symptom. 8 were treated expectantly with spontaneous extrusion of the band. 16 bands have been removed endoscopically in 14 patients. 26 patients had open surgical revision, with 12 having band removal only and 14 band removal and revision of either the gastroenterostomy with or without band replacement or conversion to a distal Roux-en-Y gastric bypass (DRYGBP). Two patients who had revision to DRYGBP were re-revised to a longer common limb because of protein malnutrition. Three patients who had revision of the gastroenterostomy with band removal and replacement developed leaks that were managed non-surgically. Two of these re-eroded and the band was removed endoscopically with a subsequent revision to a DRYGBP. There was no death due to BE. CONCLUSION BE is an uncommon complication of TBVGBP. Infection, previous bariatric operations and surgical technique play a role in BE. BE is best managed by endoscopic removal but can be treated expectantly or by open surgical intervention. Band removal without replacement or revision to DRYGBP may result in weight regain.
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Affiliation(s)
- M Fobi
- Center for Surgical Treatment of Obesity, 21520 S. Pioneer Blvd., Suite 204, Hawaiian Gardens, CA 90716, USA.
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Fobi MA, Lee H, Igwe D, Stanczyk M, Tambi JN. Prospective comparative evaluation of stapled versus transected silastic ring gastric bypass: 6-year follow-up. Obes Surg 2001; 11:18-24. [PMID: 11361162 DOI: 10.1381/096089201321454051] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND The effect of transecting vs. stapling the stomach in continuity in the banded gastric bypass (GBP) operation was studied. METHOD 50 patients, 25 in each group, were enrolled into a prospective study to determine if transecting the stomach vs. stapling it in continuity in performing GBP for obesity decreases the incidence of gastro-gastric fistula formation without increased morbidity. RESULTS The patient profiles in the 2 groups were very similar. The peri-operative complications included 1 splenic capsular injury in each group, controlled without a splenectomy. There was 1 anastomotic leak in the stapled and 1 bleeding from the cut edge of the bypassed stomach in the transected group, both requiring re-operations in the immediate postoperative period. There was no peri-operative mortality. The percent follow-up after 6 years was 80% and 88% in the stapled and transected groups respectively. The incidence of late complications of solid food intolerance, ventral incisional hernia, cholelithiasis and small bowel obstruction was similar in both groups. There were 8 gastro-gastric fistulas in the stapled group and 1 in the transected group. The reduction in body mass index and percent excess weight loss (66%) were similar in both groups. CONCLUSION The incidence of gastro-gastric fistula may be reduced in GBP procedures by transecting the stomach as opposed to stapling it in continuity, without an increase in morbidity or mortality or any loss in the effectiveness of the operation.
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Affiliation(s)
- M A Fobi
- Center for Surgical Treatment of Obesity, Hawaiian Gardens, CA, USA.
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Fobi MA, Lee H, Igwe D, Felahy B, James E, Stanczyk M, Tambi J, Eyong P. Revision of Failed Gastric Bypass to Distal Roux-en-Y Gastric Bypass: A Review of 65 Cases. Obes Surg 2001; 11:190-5. [PMID: 11355025 DOI: 10.1381/096089201321577866] [Citation(s) in RCA: 107] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND No bariatric operation has been documented to effect adequate weight loss in all patients. Patients with inadequate weight loss or significant weight regain with an anatomically intact short-limb gastric bypass, of which the Fobi pouch operation (FPO) for obesity is a modification, are usually revised to a distal Roux-en-Y gastric bypass (DRYGBP) to enhance weight loss. METHOD A retrospective review of the charts of all patients who had a revision to a DRYGBP at our Center during an 8-year period was carried out and the findings analyzed. RESULTS 65 patients who had the FPO had a revision to the DRYGBP. Most were super obese patients who, even though they had lost significant weight, were still morbidly obese. Some were patients who had not lost adequate weight or <40% excess weight, and a small number were patients who requested more weight loss even though they had a BMI of < 35. 15 patients developed protein malnutrition requiring supplemental feeding. 6 required rerevision to short-limb gastric bypass. CONCLUSION Revision of short-limb gastric bypass to DRYGBP usually enhances weight loss but at a cost of an increased incidence of protein malnutrition.
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Affiliation(s)
- M A Fobi
- Center for Surgical Treatment of Obesity, Hawaiian Gardens, CA 90716, USA.
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Abstract
BACKGROUND Many patients who qualify for obesity surgery have a moderate to large panniculus (grade 1-5). They can benefit from panniculectomy done concurrently with gastric bypass (GBP) or subsequently after significant weight reduction, usually 18 months after the GBP. METHOD Over the last 8 years, 2,231 bariatric operations were performed at the Center. 577 panniculectomies were done, with 428 (74.2%) concurrent with the GBP and 149 (25.8%) subsequent to the GBP. RESULTS The redundant pannus weighed from 5 to 54.5 kg. Wound problems occured in 15.1% of panniculectomies. Transfusion was necessary in 1.9%. Hospital stay was 4 to 5 days, and was no greater than in patients that underwent the GBP alone. Those with grades 3-5 suffer more back-pain and problems of hygiene resulting from panniculitis. CONCLUSION A very redundant panniculus compounds the patient's physical, social and emotional problems. Where cardiopulmonary and other medical status are satisfactory, a panniculectomy may be offered to patients with a symptomatic panniculus at the time of bariatric surgery, as a physically beneficial and cost-effective adjuvant.
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Affiliation(s)
- D Igwe
- Tri-City Regional Medical Center, Hawaiian Gardens, CA, USA.
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