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Transplant Surgery

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https://www.readbyqxmd.com/read/28636702/analysis-of-survival-after-initiation-of-continuous-renal-replacement-therapy-in-a-surgical-intensive-care-unit
#1
James M Tatum, Galinos Barmparas, Ara Ko, Navpreet Dhillon, Eric Smith, Daniel R Margulies, Eric J Ley
Importance: Continuous renal replacement therapy (CRRT) benefits patients with renal failure who are too hemodynamically unstable for intermittent hemodialysis. The duration of therapy beyond which continued use is futile, particularly in a population of patients admitted to and primarily cared for by a surgical service (hereinafter referred to as surgical patients), is unclear. Objective: To analyze proportions of and independent risk factors for survival to discharge after initiation of CRRT among patients in a surgical intensive care unit (SICU)...
June 21, 2017: JAMA Surgery
https://www.readbyqxmd.com/read/28636192/intestinal-barrier-integrity-and-inflammatory-bowel-disease-stem-cell-based-approaches-to-regenerate-the-barrier
#2
REVIEW
Fredrik E O Holmberg, Jannie Pedersen, Peter Jørgensen, Christoffer Soendergaard, Kim B Jensen, Ole H Nielsen
Disruption of normal barrier function is a fundamental factor in the pathogenesis of inflammatory bowel disease, which includes increased epithelial cell death, modified mucus configuration, altered expression and distribution of tight junction-proteins, along with a decreased expression of antimicrobial peptides. Inflammatory bowel disease is associated with life-long morbidity for affected patients, and both the incidence and prevalence is increasing globally, resulting in substantial economic strain for society...
June 21, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28632515/p4-stump-approach-for-intraoperative-portal-vein-stenting-in-pediatric-living-donor-liver-transplantation-an-innovative-technique-for-a-challenging-problem
#3
Chao-Long Chen, Yu-Fan Cheng, Viola Huang, Ting-Lung Lin, Yi-Chia Chan, Hsin-You Ou, Chee-Chien Yong, Shih-Ho Wang, Chih-Che Lin
OBJECTIVE: The aim of this study was to evaluate the utility of the P4 stump stenting approach for treating portal vein (PV) complications in pediatric living donor liver transplantation (LDLT). BACKGROUND: PV complications cause significant morbidity and mortality in pediatric LDLT. Biliary atresia in the backdrop of pathological PV hypoplasia and sclerosis heightens the complexity of PV reconstruction. The authors developed a novel approach for intraoperative PV stenting via the graft segment 4 PV stump (P4 stump) to address this challenge...
June 19, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28632455/joint-preservation-techniques-in-orthopaedic-surgery
#4
Philip J York, Frank B Wydra, Matthew E Belton, Armando F Vidal
CONTEXT: With increasing life expectancy, there is growing demand for preservation of native articular cartilage to delay joint arthroplasties, especially in younger, active patients. Damage to the hyaline cartilage of a joint has a limited intrinsic capacity to heal. This can lead to accelerated degeneration of the joint and early-onset osteoarthritis. Treatment in the past was limited, however, and surgical treatment options continue to evolve that may allow restoration of the natural biology of the articular cartilage...
June 1, 2017: Sports Health
https://www.readbyqxmd.com/read/28631687/-acquired-atresia-and-stenosis-of-the-external-acoustic-meatus
#5
D S Kondratchikov, Kh M Diab, V S Korvyakov, L I Terekhina
Acquired atresia of the external acoustic meatus is a rare pathological condition characterized by obliteration of the medial part of the external acoustic canal by a soft fibrous plug. The present article presents an overview of a series of cases of acquired atresia and stenosis of the external acoustic meatus with the description of etiology, pathogenesis, and methods for the treatment of this condition. In the majority of the cases, atresia develops at the final stage of granulation external otitis with or without an accompanying dermatological pathology...
2017: Vestnik Otorinolaringologii
https://www.readbyqxmd.com/read/28630433/gut-microbiota-of-liver-transplantation-recipients
#6
Li-Ying Sun, Yun-Sheng Yang, Wei Qu, Zhi-Jun Zhu, Lin Wei, Zhi-Sheng Ye, Jian-Rui Zhang, Xiao-Ye Sun, Zhi-Gui Zeng
The characteristics of intestinal microbial communities may be affected by changes in the pathophysiology of patients with end-stage liver disease. Here, we focused on the characteristics of intestinal fecal microbial communities in post-liver transplantation (LT) patients in comparison with those in the same individuals pre-LT and in healthy individuals. The fecal microbial communities were analyzed via MiSeq-PE250 sequencing of the V4 region of 16S ribosomal RNA and were then compared between groups. We found that the gut microbiota of patients with severe liver disease who were awaiting LT was significantly different from that of healthy controls, as represented by the first principal component (p = 0...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28628777/effects-of-adipose-stem-cell-sheets-on-colon-anastomotic-leakage-in-an-experimental-model-proof-of-principle
#7
Panithi Sukho, Geesien S A Boersema, Abigael Cohen, Nicole Kops, Johan F Lange, Jolle Kirpensteijn, Jan Willem Hesselink, Yvonne M Bastiaansen-Jenniskens, Femke Verseijden
The most dreaded complication of colorectal surgery is anastomotic leakage. Adipose tissue-derived stem cell sheets (ASC sheets) prepared from temperature-responsive culture surfaces can be easily transplanted onto tissues. These sheets are proposed to improve cell transplant efficiency and enhance wound healing. The aim of this study was to investigate whether application of ASC sheets could prevent leakage of sutured colorectal anastomoses. Insufficient suturing of colorectal anastomoses was performed in Wistar rats to create a colorectal anastomotic leakage model...
June 9, 2017: Biomaterials
https://www.readbyqxmd.com/read/28627761/biological-effects-of-hydrogen-peroxide-administered-intratumorally-with-or-without-irradiation-in-murine-tumors
#8
Taiki Takaoka, Yuta Shibamoto, Masayuki Matsuo, Chikao Sugie, Taro Murai, Yasutaka Ogawa, Akifumi Miyakawa, Yoshihiko Manabe, Takuhito Kondo, Koichiro Nakajima, Dai Okazaki, Takahiro Tsuchiya
Despite insufficient laboratory data, radiotherapy after intratumoral injection of hydrogen peroxide (H2 O2 ) is increasingly being used clinically for radioresistant tumors. Especially, this treatment might become an alternative definitive treatment for early and advanced breast cancer in patients who refuse any type of surgery. The purpose of this study was to investigate the biological effects and appropriate combination methods of irradiation and H2 O2 in vivo. SCCVII tumor cells transplanted into the legs of C3H/HeN mice were used...
June 19, 2017: Cancer Science
https://www.readbyqxmd.com/read/28627595/elevated-expression-of-transient-receptor-potential-vanilloid-type%C3%A2-1-in-dorsal-root-ganglia-of-rats-with-endometriosis
#9
Yu-Ling Lian, Ming-Jun Cheng, Xian-Xia Zhang, Li Wang
Pain is the most pronounced complaint of women with endometriosis, however the underlying mechanism is still poorly understood. In the present study, the authors evaluate the effect of transient receptor potential vanilloid type 1 (TRPV1) of dorsal root ganglia (DRG) on endometriosis-associated pain. A total of 36 SD rats were randomly divided into a sham group (n=9) and a Model group (n=27), accepted auto‑transplanted pieces of fat or uterus to the pelvic cavity. At 4 weeks, the Model group was randomly subdivided into the following groups: ENDO group (no treatment, n=9), BCTC group (Model + BCTC, an antagonist of TRPV1, n=9), Vehicle group (Model + cyclodextrin, the vehicle of BCTC, n=9)...
June 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28626929/successful-liver-transplantation-for-non-resectable-desmoplastic-nested-spindle-cell-tumor-complicated-by-cushing-s-syndrome
#10
Sarah Tehseen, Louis Rapkin, Erwin Schemankewitz, Joseph F Magliocca, Rene Romero
Desmoplastic spindle cell tumors of liver are rare tumors of low malignant potential characterized by well-demarcated nests of spindle and epithelioid cells in a dense desmoplastic stroma. While surgery remains the definitive treatment, there have been reports of tumor recurrence locally and metastasis which respond poorly to chemotherapy. Hepatic transplant has been attempted in cases of recurrence or large size of primary tumor. Long-term follow-up and imaging surveillance are required as these tumors have shown a tendency for recurrence many years after initial therapy...
June 18, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28626823/a-survey-of-ophthalmologists-and-gynecologists-regarding-termination-of-pregnancy-and-choice-of-delivery-mode-in-the-presence-of-eye-diseases
#11
Seyed-Farzad Mohammadi, Mojgan Letafat-Nejad, Elham Ashrafi, Hanieh Delshad-Aghdam
PURPOSE: To evaluate and compare the attitudes of ophthalmologists and gynecologists in suggesting appropriate approach to pregnancy in different ocular conditions. METHODS: Specialty-specific questionnaires on delivery mode and abortion indications for ophthalmic patients (refractive, vascular, oncologic, retinal, glaucoma, postoperation, posttrauma, and infectious) were designed and distributed among physician staff of Farabi Eye Hospital and Yas Women Hospital in Tehran...
June 2017: Journal of Current Ophthalmology
https://www.readbyqxmd.com/read/28625949/discussion-on-the-risk-factors-of-developing-cardiovascular-diseases-cvd-after-the-kidney-transplantation
#12
Kai Wang, Qing-Shan Qu, Shu-Zhai Miao, Yanxuan Zhang, Xin Jing
To discuss the risk factors of developing cardiovascular disease (CVD) after the kidney transplantation. Retrospective analysis on the data of 1106 patients who had been underwent kidney allotransplantation in People's Hospital of Zhengzhou from July, 2010 to Dec, 2014 and conformed to the inclusion criteria was taken. Cox proportional hazard model was used to analyze the risk factors of developing CVD after the kidney transplantation. 7 days, 1 month, 3 months, 6 months and 12 months before and after the operation, the data collection and following-up visits were respectively arranged...
January 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28623164/thick-corneas-large-pupils-and-a-giant-problem
#13
Francesco Pellegrini, Giovanni Prosdocimo, Daniela Bonsanto, Rod Foroozan
An 87-year-old woman presented 1 month after uneventful cataract surgery with ipsilateral corneal edema. She was diagnosed with pseudophakic bullous keratopathy and scheduled for endothelial transplantation. However, a few days later, she presented with bilateral corneal edema, dilated pupils and further reduction of visual acuity. Neuro-Ophthalmic evaluation disclosed a bilateral ocular ischemic syndrome causing complete visual loss. Temporal artery biopsy was consistent with GCA. Corneal decompensation should be considered as a rare presentation of GCA, that ophthalmologists should suspect in any case of unilateral or bilateral ocular ischemic syndrome...
June 13, 2017: Survey of Ophthalmology
https://www.readbyqxmd.com/read/28622062/novel-zinc-finger-protein-gene-469-znf469-variants-in-advanced-keratoconus
#14
Elvin Yildiz, Handan Bardak, Murat Gunay, Yavuz Bardak, Serhat Imamoglu, Halil Ozbas, Ozkan Bagci
PURPOSE: Common polymorphic variants upstream of Zinc finger protein gene 469 (ZNF469) have been associated with central corneal thickness. Rare ZNF469 variants have been shown in keratoconus patients. The aim of the current study was to investigate the frequency of ZNF 469 gene variants in rapidly progressive advance keratoconus patients who underwent corneal transplant surgery by the age of 30, compared to their frequency in the normal Turkish population. METHODS: A search in a patient database was performed to identify patients with a rapidly progressive keratoconus requiring corneal transplant surgery by the age of 30 in at least one eye...
June 16, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28621916/construction-of-anterior-hemi-corneal-equivalents-using-nontransfected-human-corneal-cells-and-transplantation-in-dog-models
#15
Bin Xu, Zhan Song, Tingjun Fan
Tissue-engineered human anterior hemi-cornea (TE-aHC) is a promising equivalent for treating anterior lamellar keratopathy to surmount the severe shortage of donated corneas. This study was intended to construct a functional TE-aHC with nontransfected human corneal stromal (ntHCS) and epithelial (ntHCEP) cells using acellular porcine corneal stromata (aPCS) as a carrier scaffold, and evaluate its biological functions in a dog model. To construct a TE-aHC, ntHCS cells were injected into an aPCS scaffold and cultured for 3 days; then, ntHCEP cells were inoculated onto the Bowman's membrane of the scaffold and cultured for 5 days under air-liquid interface condition...
June 16, 2017: Artificial Organs
https://www.readbyqxmd.com/read/28621639/outcome-of-the-double-j-stent-placement-in-pediatric-kidney-transplant-a-single-center-experience
#16
Hakan Sözen, Onur Özen, Kibriya Fidan, Oğuz Söylemezoğlu, Aydın Dalgıç
OBJECTIVES: Double J stent placement at kidney transplant may reduce stenosis or leakage complication rates. However, placement may also increase risk for early urinary tract infection (ie, < 3 mo after transplant). In children, the usefulness of double J stent placement is not well defined. MATERIALS AND METHODS: We analyzed retrospective data from children who received transplants at the Gazi University Transplantation Center and Pediatric Nephrology (Ankara, Turkey) for outcomes related to double J stents...
June 16, 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28621637/surgical-techniques-and-procedures-for-kidney-transplant-recipients-with-severe-atherosclerosis
#17
Koji Nanmoku, Yoshihiko Watarai, Shunji Narumi, Norihiko Goto, Takayuki Yamamoto, Makoto Tsujita, Takahisa Hiramitsu, Akio Katayama, Takaaki Kobayashi, Kazuharu Uchida
OBJECTIVES: Atherosclerosis is becoming a more common problem for dialysis patients. Therefore, transplant surgeons are faced with the need to develop surgical techniques and procedures for severe atherosclerosis. This study aimed to clarify the clinical features, the usefulness of examinations, and operative procedures for kidney transplant recipients with the complication of severe atherosclerosis. MATERIALS AND METHODS: Among 220 kidney transplant candidates, 13 patients (severe atherosclerosis group) were predicted complications due to arterial calcification in the bilateral iliac arterial system using a computed tomographic scan...
June 16, 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28620649/hepatoblastoma-transplant-versus-resection-experience-in-a-latin-american-transplant-center
#18
Luis A Caicedo, Angie Sabogal, Oscar Serrano, Jorge I Villegas, Verónica Botero, María T Agudelo, Viviana Lotero, Diana Dávalos, Eliana Manzi, Ana M Aristizabal, Catalina Gomez, Gabriel J Echeverri
BACKGROUND: Hepatoblastoma is the most common primary malignant liver tumor in children and is usually diagnosed during the first 3 years of life. Overall survival has increased 50% due to chemotherapeutic schemes, expertise surgery centers, and liver transplantation. METHODS: A retrospective collection of data was performed from pediatric patients with diagnosis of hepatoblastoma. Variables included demographic, diagnostic tools and histological classification; chemotherapy and surgical treatment; and outcomes and patient survival...
June 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28619957/chronic-pulmonary-aspergillosis-complicating-sarcoidosis
#19
Yurdagül Uzunhan, Hilario Nunes, Florence Jeny, Maxime Lacroix, Sophie Brun, Pierre-Yves Brillet, Emmanuel Martinod, Marie-France Carette, Diane Bouvry, Caroline Charlier, Fanny Lanternier, Carole Planès, Abdellatif Tazi, Olivier Lortholary, Robert P Baughman, Dominique Valeyre
Chronic pulmonary aspergillosis (CPA) complicating sarcoidosis (SA) is associated with high mortality, and there is a lack of clarity regarding the relative contributions of SA or CPA.This was a retrospective single-centre study on CPA-SA.In total, 65 patients (44 men), aged 41.4±13.5 and 48.3±11.9 years at the time of SA and CPA diagnoses, respectively, were included between 1980 and 2015. Of these, 64 had fibrocystic SA, most often advanced, with composite physiological index (CPI) >40 (65% of patients) and pulmonary hypertension (PH) (31%), and 41 patients (63%) were treated for SA (corticosteroids or immunosuppressive drugs)...
June 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28618840/cardiac-surgery-in-solid-organ-transplant-recipients-a-clinical-challenge
#20
Mina Farag, Marina Nikolic, Alexander Weymann
Due to continuous improvement of transplant medicine, the number of solid organ transplant recipients in need of cardiac surgery is constantly growing. The objective of this work was to compare different reports on outcomes in patients with previous solid organ transplant after cardiac surgery. Areas covered: Published studies containing data about solid organ transplant recipients: renal, hepatic, pancreas or combined were identified through med-line research. Reported outcomes were categorized according to short- and long term-follow up and the presence or absence of a match-group...
June 16, 2017: Expert Review of Cardiovascular Therapy
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