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Development and Biomechanical Assessment of Heart Valve Replacements Designed for in Utero Deployment
Development and Biomechanical Assessment of Heart Valve Replacements Designed for in Utero...
Development and Biomechanical Assessment of Heart Valve Replacements Designed for in Utero Deployment

상세정보

자료유형  
 학위논문 서양
최종처리일시  
20260202105518
ISBN  
9798263338299
DDC  
617
저자명  
Bhat, Sanchita S.
서명/저자  
Development and Biomechanical Assessment of Heart Valve Replacements Designed for in Utero Deployment
발행사항  
[Sl] : Georgia Institute of Technology, 2023
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2023
형태사항  
203 p
주기사항  
Source: Dissertations Abstracts International, Volume: 87-05, Section: A.
주기사항  
Advisor: Dasi, Lakshmi Prasad.
학위논문주기  
Thesis (Ph.D.)--Georgia Institute of Technology, 2023.
초록/해제  
요약Congenital heart diseases (CHDs) account for nearly one third of all congenital defects. Patients born with complex congenital cardiac anomalies often require heart valve replacements in their lifetimes. These replacements are usually limited by issues related to durability, patient-prosthesis mismatch and lack of surgical options. Other ways to correct congenital cardiac defects are surgical palliation usually carried out in stages. These surgeries are extremely invasive and carry high risk to the patient. Over time, there has been investigation into providing a permanent solution to heart valve replacements in children. Hence, the use of tissue engineering in this application is critical. Bioabsorbable materials serve as scaffold like structures to allow for cell penetration, leading to neo-tissue growth. Neo-tissue is developed using the patient's own cells, and therefore eradicates the susceptibility of severe rejection possessing the ability to grow, repair and remodel. Fetal tissue is extremely regenerative and is known for its plasticity, therefore attempts have been made to restore biventricular healthy anatomy in utero by balloon valvuloplasty. A lot of patients that undergo this procedure develop re-atresia or re-stenosis, bringing them back to the diseased population. Therefore, this study aims to combine the knowledge on heart valve engineering and apply that toward fetal population. The development of such a tissue engineered heart valve replacement will eliminate the need for repeat interventions and serve as a permanent solution. Given the few durable options for pediatric patients, this study will improve the feasibility of developing such a device right from the manufacturing to the testing stage. This critical integration of heart valve and tissue engineering may be the first step to the solution that is needed to reverse ventricular hypoplasia and eliminate single ventricle anomalies.
일반주제명  
Tissue engineering
일반주제명  
Cyanosis
일반주제명  
Prostheses
일반주제명  
Catheters
일반주제명  
Mutation
일반주제명  
Congenital diseases
일반주제명  
Extracellular matrix
일반주제명  
Stents
일반주제명  
Morphogenesis
일반주제명  
Lungs
일반주제명  
Fetuses
일반주제명  
Patients
일반주제명  
Surgery
일반주제명  
Coronary vessels
일반주제명  
Endothelium
일반주제명  
Cardiovascular disease
일반주제명  
Veins & arteries
일반주제명  
Design
일반주제명  
Heart
일반주제명  
Pulmonary arteries
일반주제명  
Biomechanics
일반주제명  
Postpartum period
일반주제명  
Biomedical engineering
일반주제명  
Industrial engineering
일반주제명  
Medicine
일반주제명  
Obstetrics
일반주제명  
Public health
기타저자  
Georgia Institute of Technology.
기본자료저록  
Dissertations Abstracts International. 87-05A.
전자적 위치 및 접속  
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MARC

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■1001  ▼aBhat,  Sanchita  S.
■24510▼aDevelopment  and  Biomechanical  Assessment  of  Heart  Valve  Replacements  Designed  for  in  Utero  Deployment
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■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  87-05,  Section:  A.
■500    ▼aAdvisor:  Dasi,  Lakshmi  Prasad.
■5021  ▼aThesis  (Ph.D.)--Georgia  Institute  of  Technology,  2023.
■520    ▼aCongenital  heart  diseases  (CHDs)  account  for  nearly  one  third  of  all  congenital  defects.  Patients  born  with  complex  congenital  cardiac  anomalies  often  require  heart  valve  replacements  in  their  lifetimes.  These  replacements  are  usually  limited  by  issues  related  to  durability,  patient-prosthesis  mismatch  and  lack  of  surgical  options.  Other  ways  to  correct  congenital  cardiac  defects  are  surgical  palliation  usually  carried  out  in  stages.  These  surgeries  are  extremely  invasive  and  carry  high  risk  to  the  patient.  Over  time,  there  has  been  investigation  into  providing  a  permanent  solution  to  heart  valve  replacements  in  children.  Hence,  the  use  of  tissue  engineering  in  this  application  is  critical.  Bioabsorbable  materials  serve  as  scaffold  like  structures  to  allow  for  cell  penetration,  leading  to  neo-tissue  growth.  Neo-tissue  is  developed  using  the  patient's  own  cells,  and  therefore  eradicates  the  susceptibility  of  severe  rejection  possessing  the  ability  to  grow,  repair  and  remodel.  Fetal  tissue  is  extremely  regenerative  and  is  known  for  its  plasticity,  therefore  attempts  have  been  made  to  restore  biventricular  healthy  anatomy  in  utero  by  balloon  valvuloplasty.  A  lot  of  patients  that  undergo  this  procedure  develop  re-atresia  or  re-stenosis,  bringing  them  back  to  the  diseased  population.  Therefore,  this  study  aims  to  combine  the  knowledge  on  heart  valve  engineering  and  apply  that  toward  fetal  population.  The  development  of  such  a  tissue  engineered  heart  valve  replacement  will  eliminate  the  need  for  repeat  interventions  and  serve  as  a  permanent  solution.  Given  the  few  durable  options  for  pediatric  patients,  this  study  will  improve  the  feasibility  of  developing  such  a  device  right  from  the  manufacturing  to  the  testing  stage.  This  critical  integration  of  heart  valve  and  tissue  engineering  may  be  the  first  step  to  the  solution  that  is  needed  to  reverse  ventricular  hypoplasia  and  eliminate  single  ventricle  anomalies.
■590    ▼aSchool  code:  0078.
■650  4▼aTissue  engineering
■650  4▼aCyanosis
■650  4▼aProstheses
■650  4▼aCatheters
■650  4▼aMutation
■650  4▼aCongenital  diseases
■650  4▼aExtracellular  matrix
■650  4▼aStents
■650  4▼aMorphogenesis
■650  4▼aLungs
■650  4▼aFetuses
■650  4▼aPatients
■650  4▼aSurgery
■650  4▼aCoronary  vessels
■650  4▼aEndothelium
■650  4▼aCardiovascular  disease
■650  4▼aVeins  &  arteries
■650  4▼aDesign
■650  4▼aHeart
■650  4▼aPulmonary  arteries
■650  4▼aBiomechanics
■650  4▼aPostpartum  period
■650  4▼aBiomedical  engineering
■650  4▼aIndustrial  engineering
■650  4▼aMedicine
■650  4▼aObstetrics
■650  4▼aPublic  health
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■71020▼aGeorgia  Institute  of  Technology.
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■791    ▼aPh.D.
■792    ▼a2023
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17360398▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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