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Tissue engineered indigenous pericardial patch urethroplasty: A promising solution to a nagging problem

Asian Journal of Urology 2020年第1期7卷 56-60页

作者： Tapan K.Mandal Shashanka Dhanuka Sunirmal choudhury bibhas c.mukhopadhyay Ankit Kayal Tapas K.Majhi Maharaj Mondal Department of Urology Nilratan Sircar Medical College and HospitalKolkataIndia

Objective:Urethral stricture is a highly prevalent disease and has a continued ris-ing *** global burden of disease keeps rising as there are significant rates of recur-rence with the existing management options with the need for additional repeat ***,the existing treatment options are associated with significant morbidity in the *** segment urethral strictures are most commonly managed by augmentation *** explored the potential for the application of an acellular tissue engineered bovine pericardial patch in augmentation urethroplasty in a series of our patients suffering from ure-thral stricture *** decreased morbidity due to the avoidance of harvest of buccal mu-cosa,decreased operative time and satisfactory postoperative results make it a promising option for augmentation ***:Nine patients with long segment anterior urethral strictures(involving penile and/or bulbar urethra and stricture length>4 cm)were included in the study after proper informed consent was *** tissue engineered indigenous bovine pericardial patch was used for urethroplasty using dorsal onlay ***:A total of nine patients underwent tissue engineered indigenous pericardial patch ur-ethroplasty for long segment urethral strictures,mostly catheter injury induced or associated with balanitis xerotica *** follow-up was 8 months(range:2-12 months).Out of nine patients,eight(88.9%)were classifed as success and one(11.1%)was classified as ***:Our study brings a product of tissue engineering,already being used in the cardio-vascular surgery domain,into the urological surgery operating room with satisfactory results achieved using standard operating techniques of one stage urethroplasty.

关键词： Stricture urethra Urethroplasty Bovine pericardial patch Tissue engineering Long segment

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Optimal batch shipment policy for an imperfect production system under price-,advertisementand green-sensitive demand

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Journal of Management Analytics 2022年第1期9卷 86-119页

作者： bibhas c.Giri Anamika Dash Department of Mathematics Jadavpur UniversityKolkataIndia

In this paper,we consider an imperfect production-inventory system which consists of a single manufacturer and a single *** manufacturer delivers the order quantity to the retailer in some unequal-sized *** separate the defective items,the retailer performs an error-free screening process after receiving each delivery from the *** in retailer’s inventory is allowed and completely *** customer demand is influenced by the retail price,advertisement frequency and greening level of the *** centralized model and the decentralized model based on a Stackelberg gaming approach are developed to determine optimal pricing,advertising and inventory decisions.A cost-sharing contract between the manufacturer and the retailer is implemented,which enhances the environmental performance,advertisement frequency and profitability of the supply chain *** proposed model is illustrated with a numerical *** analysis for some key parameters is carried out and several managerial insights are also highlighted.

关键词： Imperfect production unequal batch shipment price- advertisementand green-sensitive demand cost-sharing contract

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