Blood Flow During Cardiopulmonary Bypass

Gourlay, Terence; Qureshi, Tipo

doi:10.1007/978-1-59745-305-9_5

Cited by 2 publications

(2 citation statements)

References 93 publications

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“…The most physiologic blood flow pattern can be generated by ventricular pumps, but as they are expensive and technologically complex, roller pumps are more usually used to produce pulsatile flow (29). With the new roller heart-lung machines, it is easy to convert nonpulsatile blood flow to pulsatile blood flow by adjusting pulsatility indexes such as base flow, start time, stop time, and pulse rate.…”

Section: Discussionmentioning

confidence: 99%

Sleep Quality after Coronary Artery Bypass Graft Surgery: Comparing Pulsatile and Nonpulsatile Pump Flow

Mirmohammadsadeghi,

Jahannama,

Mirmohammadsadeghi

2020

J Extra Corpor Technol

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Poor postoperative sleep quality is a common problem in patients undergoing coronary artery bypass graft surgery (CABG). The purpose of this study was to compare the effect of pulsatile and nonpulsatile pump flow on sleep quality of these patients. In this clinical trial, 52 patients undergoing on pump CABG surgery with the roller pump were randomly divided into two equal groups of 26 patients: group 1 using pulsatile pump flow and group 2 nonpulsatile pump flow while the heart was arrested. Sleep score of both groups was evaluated by Pittsburgh Sleep Quality Index questionnaire 2 days before operation and 1 month after operation, and they were compared with each other. Analysis was performed with SPSS software version 22 (SPSS for Windows Inc., Chicago, IL) using the independent t-test, chi-square test, and Fisher exact test. Both groups were the same in demographic characteristics and risk factors such as age, gender, diabetes mellitus, hypertension, hyperlipidemia, smoking, body mass index, and preoperative ejection fraction. Operation data showed no difference between two groups considering cardiopulmonary bypass time and cardiac arrest time. Preoperative sleep quality score of both groups had no significant difference (p = .84). One month postoperative sleep quality score of the pulsatile group was significantly better than that of the nonpulsatile group (p = .04). Using pulsatile flow cardiopulmonary bypass can effectively decrease postoperative sleep disorders in comparison to nonpulsatile flow.

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Section: Discussionmentioning

confidence: 99%

Sleep Quality after Coronary Artery Bypass Graft Surgery: Comparing Pulsatile and Nonpulsatile Pump Flow

Mirmohammadsadeghi,

Jahannama,

Mirmohammadsadeghi

2020

J Extra Corpor Technol

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“…Patients with some forms of congenital cardiac disease exist with normal values which may well exceed 4.0 L/min/m 2 [77]. It could be argued that these patients on bypass are regularly being underperfused, but over 50 years of clinical experience has shown that the values commonly used for bypass are well tolerated in the context of bypass conditions [78]. It could be argued that these patients on bypass are regularly being underperfused, but over 50 years of clinical experience has shown that the values commonly used for bypass are well tolerated in the context of bypass conditions [78].…”

Section: Flow Ratesmentioning

confidence: 99%

The bypass plan

Matte

2015

Perfusion for Congenital Heart Surgery

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The perfusionist must be familiar with the patient's original diagnosis, catheterization lab interventions, previous surgeries, and current needs when developing the bypass plan. The following are major considerations for management of the patient during cardiopulmonary bypass. Please refer to Chapter 6 for defect-specific considerations.The care team must have a reasonably standardized communication plan for the bypass run [1][2][3]. This includes standardizing to closed-loop communication for certain anesthesia, surgical, and cardiopulmonary bypass (CPB) commands, notifications, and/or concerns. Each communication should be verbally acknowledged per the team standard (either repeated back or with another affirmation) to ensure the information is properly delivered and handled. This technique is essential for bypass safety and is used at most centers to announce checkpoints during the case.Common bypass-related checkpoints where closedloop communication among the team is essential include the following: • Heparin in • ACT running • Bypass lines clamped and ready for division at the field • Pump suckers on (with suckers and vent line tested under saline at field)

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Blood Flow During Cardiopulmonary Bypass

Cited by 2 publications

References 93 publications

Sleep Quality after Coronary Artery Bypass Graft Surgery: Comparing Pulsatile and Nonpulsatile Pump Flow

Sleep Quality after Coronary Artery Bypass Graft Surgery: Comparing Pulsatile and Nonpulsatile Pump Flow

The bypass plan

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