原發(fā)性前房角關閉眼在施行激光周邊虹膜切除術后前房角關閉的發(fā)生率和發(fā)病機制的研究.pdf

1、中國協(xié)和醫(yī)科大學（北京協(xié)和醫(yī)學院）碩士學位論文原發(fā)性前房角關閉眼在施行激光周邊虹膜切除術后前房角關閉的發(fā)生率和發(fā)病機制的研究姓名：楊淵筌申請學位級別：碩士專業(yè)：眼科學指導教師：趙家良20080501中國協(xié)和醫(yī)科大學碩士研究生畢業(yè)論文摘要后的前房角關閉的主要原因。關鍵詞：原發(fā)性前房角關閉，激光周邊虹膜切除術，超聲活體顯微鏡，睫狀突前位英文摘要(Abstract)Purpose：Toevaluatetheprevalenceofanglec

2、losureineyeswithprimaryangleclosure(PAC)afterlaserperipheraliridotomy(LPI)andtodeterminethepathogenesisofthisconditionbycomparingtheanteriorchamberandangleparametersamongPACeyeswithsevereangleclosureafterLPI，PACeyeswithm

3、ildangleclosureafterLPIandnormalsubjectsParticipantsandMethods：(1)BasedontheprincipleofprospectiveinterventioncaseseriesstudyprophylacticLPIWasperformedin39patientswithPACintheDepartmentofOphthalmologyatPekingUnionMedica

4、lCollegeHospitalUltrasoundbiomicroscopyCOBM)examinationWascarriedoutbeforeand2weeksafterLPIintheseeyesOnerandomlyselectedeyeofeachsubjectwasmeasuredUBMparametersbeforeLPIWerecomparedwiththoseafterLPI，includingiridotrabec

5、ularcontact(ITC)，iris—ciliaryprocesscontact(ICPC)，angleopeningdistance(AOD)，trabecularciliaryprocessdistance(TCPD)，irisdistance(ID)，scleralspurciliaryprocessdistance(SSCPD)andtrabeeularciliaryprocessangle(TCPA)(2)ThePACe

6、yesmentionedabovewereclassifiedintotwogroupsaccordingtotheseverityofangleclosureafterLPI，severeone(angleclosurerangeafterLPI≥4clockpositions，23eyes)andmildone(angleclosurerangeafterLPI≤3clockpositions，16eyes)Basedonthepr

7、incipleofcasecontrolstudyUBMparametersofthetwoPACgroupsafterLPlwerecomparedwiththoseofthegroupwithnormalanteriorchamberdepth(20eyes)，includingACD，ID，TCPD，TCPA，SSCPDResults：(1)7949％(31／39)PACeyeshadwideranglesafterLPIHowe