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Aryeh Shander

Publications and source records attributed to Aryeh Shander.

28 records · Page 2Linked to original sources

Transfusion medicine: looking to the future.

The evolution of transfusion medicine into a clinically oriented discipline emphasising patient care has been accompanied by challenges that need to be faced as specialists look to the future. Emerging issues that affect blood safety and blood supply, such as pathogen inactivation and more stringent donor screening questions, bring new pressures on the availability of an affordable blood supply. Imminent alternatives for management of anaemia, such as oxygen carriers, hold great promise but, if available, will require close oversight. With current estimates of HIV or hepatitis C viral (HCV) transmission approaching one in 2000000 units transfused, keeping to a minimum bacterial contamination of platelet products (one in 2000) and errors in transfusion, with its estimated one in 800000 mortality rate, assume great urgency. Finally, serious difficulties in blood safety and availability for poor, developing countries require innovative strategies and commitment of resources.

Blood Banks↗

Surgery without blood.

OBJECTIVE: The principle aim of "bloodless surgery" is to minimize blood loss and to reduce or eliminate exposure to allogeneic blood transfusion. The risks associated with blood transfusions have been well documented, and it is the goal of bloodless surgery centers to avoid complications and unnecessary use of blood. Blood transfusion is a significant adjunct to perioperative resuscitation. However, we aim to elucidate different approaches to minimizing blood loss and avoiding transfusion. DESIGN: In this document, we review the background and current status of bloodless surgery centers and then the different approaches to achieve the program goals. FINDINGS: There is no one single universal blood conservation strategy that is applicable to all patients and populations. Factors such as preexisting disease will alter the approach; however, it is the ability of any program to form a comprehensive strategy for blood conservation that is integral to the success of any such program. CONCLUSION: The success of a bloodless surgery program requires both teamwork and careful cooperation between the blood bank, pharmacy, administration, hematologists, surgeon, and anesthesiologist to ensure that the goals of minimizing blood loss and avoiding transfusion are met.

Anesthesia↗

Multidisciplinary management of a Jehovah's Witness patient for the removal of a renal cell carcinoma extending into the right atrium.

PURPOSE: To highlight the management of a Jehovah's witness surgical patient presenting for cardiopulmonary bypass (CPB) and deep hypothermic circulatory arrest. CLINICAL FEATURES: A 47-yr-old male, Jehovah's Witness, with renal cell carcinoma was admitted for left radical nephrectomy and excision of tumour thrombus extending into the junction of the inferior vena cava (IVC) and right atrium (RA). The preoperative goals were to maximize red blood cell mass, delineate the extent of tumour extension and develop a surgical plan incorporating blood conservation strategies to minimize blood loss. A midline abdominal incision was made to optimize removal of the non-caval portion of the tumour from the intra-abdominal region. CPB and deep hypothermic circulatory arrest were instituted to aid in removing the tumour from the IVC and RA. Intraoperative blood conservation strategies included the use of acute normovolemic hemodilution, antifibrinolytics, cell salvage, point-of-care monitoring of heparin and protamine blood concentrations, leukocyte-depleting filter, and meticulous surgical techniques. The patient was successfully weaned from CPB and was transported to the cardiothoracic intensive care unit without complication. The patient was discharged home one week after the operation with a hemoglobin of 10.2 g x dL(-1) and a hematocrit of 31.2%. CONCLUSION: Multiple blood conservation techniques were employed to manage this Jehovah's Witness patient through complex cardiac surgery, which was previously denied to him at other institutions. The successful outcome of this patient, while respecting the right to refuse allogeneic blood products, is a result of a multidisciplinary collaboration as well as the application of established blood conservation techniques.

Antifibrinolytic Agents↗

The theory and practice of bloodless surgery.

The application of blood conservation strategies to minimise or avoid allogeneic blood transfusion is seen internationally as a desirable objective. Bloodless surgery is a relatively new practice that facilitates that goal. However, the concept is either poorly understood or evokes negative connotations. Bloodless surgery is a term that has evolved in the medical literature to refer to a peri-operative team approach to avoid allogeneic transfusion and improve patient outcomes. Starting as an advocacy in the early 1960s, it has now grown into a serious practice being embraced by internationally respected clinicians and institutions. Central to its success is a coordinated multidisciplinary approach. It encompasses the peri-operative period with surgeons, anaesthetists, haematologists, intensivists, pathologists, transfusion specialists, pharmacists, technicians, and operating room and ward nurses utilising combinations of the numerous blood conservation techniques and transfusion alternatives now available. A comprehensive monograph on the subject of bloodless surgery along with detailed coverage of risks and benefits of each modality (some modalities are discussed in more detail elsewhere in this issue) is beyond the scope of this article. Accordingly, a brief overview of the history, theory and practice of bloodless surgery is presented, along with the clinical and institutional management requirements.

Blood Loss, Surgical↗