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Pacheco M, Barros AA, Aroso IM, Autorino R, Lima E, Silva JM, Reis RL. Use of hemostatic agents for surgical bleeding in laparoscopic partial nephrectomy: Biomaterials perspective. J Biomed Mater Res B Appl Biomater 2020; 108:3099-3123. [PMID: 32458570 DOI: 10.1002/jbm.b.34637] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Accepted: 04/29/2020] [Indexed: 12/20/2022]
Abstract
In recent years, there was an abrupt increase in the incidence of renal tumors, which prompt up the appearance of cutting-edge technology, including minimally invasive and organ-preserving approaches, such as laparoscopic partial nephrectomy (LPN). LPN is an innovative technique used to treat small renal masses that have been gaining popularity in the last few decades due to its promissory results. However, the bleeding control remains the main challenge since the majority of currently available hemostatic agents (HAs) used in other surgical specialities are inefficient in LPN. This hurried the search for effective HAs adapted for LPN surgical peculiarities, which resulted on the emergence of different types of topical HAs. The most promising are the natural origin HAs because of their inherent biodegradability, biocompatibility, and lowest toxicity. These properties turn them top interests' candidates as HAs in LPN. In this review, we present a deep overview on the progress achieved in the design of HAs based on natural origin polymers, highlighting their distinguishable characteristics and providing a clear understanding of their hemostat's role in LPN. This way it may be possible to establish a structure-composition properties relation, so that novel HAs for LPN can be designed to explore current unmet medical needs.
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Affiliation(s)
- Margarida Pacheco
- 3B's Research Group-Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Avepark-Parque de Ciência e Tecnologia, Barco Guimarães, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Alexandre A Barros
- 3B's Research Group-Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Avepark-Parque de Ciência e Tecnologia, Barco Guimarães, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Ivo M Aroso
- 3B's Research Group-Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Avepark-Parque de Ciência e Tecnologia, Barco Guimarães, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | | | - Estêvão Lima
- School of Health Sciences, Life and Health Sciences Research Institute (ICVS), University of Minho, Braga, Portugal.,Surgical Sciences Research Domain, Life and Health Sciences Research Institute, University of Minho, Braga, Portugal
| | - Joana M Silva
- 3B's Research Group-Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Avepark-Parque de Ciência e Tecnologia, Barco Guimarães, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Rui L Reis
- 3B's Research Group-Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Avepark-Parque de Ciência e Tecnologia, Barco Guimarães, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Braga/Guimarães, Portugal
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Ladwa N, Sajid MS, Pankhania NK, Sains P, Baig MK. Retraction techniques in laparoscopic colorectal surgery: a literature-based review. Colorectal Dis 2013; 15:936-43. [PMID: 23944287 DOI: 10.1111/codi.12190] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2012] [Accepted: 07/15/2012] [Indexed: 02/08/2023]
Abstract
AIM To systematically review the published literature and describe the various techniques of bowel and mesentery retraction available for use in laparoscopic colorectal resection. METHOD A comprehensive search of the literature was undertaken using MESH terms 'retraction', 'laparoscopic' and 'colorectal'. All articles describing methods of retraction in laparoscopic colorectal surgery were included. RESULTS Twelve methods of retraction in laparoscopic colorectal surgery were described. Five case-based series and three case studies were reported on 108 patients. Techniques were classified into those offering retraction of the small or large bowel or according to the mode of retraction. CONCLUSION Many retraction methods are available to the surgeon varying in cost, invasiveness and complexity. Adequate retraction remains a challenge for optimal exposure and dissection during laparoscopic colorectal surgery.
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Affiliation(s)
- N Ladwa
- Department of General and Laparoscopic Colorectal Surgery, Worthing Hospital, Worthing, West Sussex, UK.
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Abstract
As minimally invasive surgery (MIS) has grown in scope and complexity, new challenges have been introduced along the way, including the need for endoscopic hemostatic techniques. Traditional electrical and mechanical means are still the mainstay, but new technologies for hemostasis continue to emerge. Restricted access to the operative site can limit the use of some tools, and yet multiple chemical hemostats and tamponading agents are used in MIS today. Systemic agents also have been developed and have a role in certain MIS circumstances. These products allow surgeons to continue to approach more difficult procedures using minimally invasive techniques. On the horizon are the newer, even less-invasive approaches of natural orifice endoluminal and transluminal surgery, which will increase the difficulties with reliable hemostat agents and delivery mechanisms.
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Meng MV, Freise CE, Kang SMO, Duh QY, Stoller ML. Techniques to optimize vascular control during laparoscopic donor nephrectomy. Urology 2003; 61:93-7; discussion 97-8. [PMID: 12559274 DOI: 10.1016/s0090-4295(02)02133-7] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
OBJECTIVES To review our experience with laparoscopic donor nephrectomy for kidney transplantation and describe our technique of vessel ligation. METHODS We retrospectively analyzed the method of renal artery and vein control during the 97 laparoscopic donor nephrectomies performed at the University of California, San Francisco, since November 1999. In addition, we examined both donor and recipient outcomes after nephrectomy and transplantation in this cohort. RESULTS Currently, we ligate the renal artery and renal vein using a single Hem-o-lok polymer clip and a single Endo-TA stapler, respectively, and divide the vessels using scissors without securing the graft-side vessels. In contrast to using the Endo-GIA stapler, there is no need to trim staples (approximately 5 mm) from the vessels before anastomosis. Excellent vessel length was achieved in all cases without donor complications, and 99% of recipients had long-term graft function. The only major complications (blood transfusion, conversion to open surgery) occurred early in the series when we used the Endo-GIA stapler to control the vessels. CONCLUSIONS Although adequate vessel length is typically obtained during left donor nephrectomy, additional length can be achieved using our modification. This may facilitate right donor nephrectomy and help reduce complications, potentially increasing the recovery of right kidneys for transplantation. In addition, performing vessel ligation and division in separate steps is simple, does not change ischemic time, and appears to increase safety.
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Affiliation(s)
- Maxwell V Meng
- Department of Urology, University of California, San Francisco, School of Medicine, San Francisco, California 94143-0738, USA
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