How to Survive in Anaesthesia How to Survive in Anaesthesia A guide for trainees FOURTH EDITION Neville Robinson DepartmentofAnaesthesia NorthwickParkandStMark’sHospitals Harrow,Middlesex UK George Hall DepartmentofAnaesthesia StGeorge’s UniversityofLondon London UK William Fawcett DepartmentofAnaesthesia RoyalSurreyCountyHospital Guildford,Surrey UK A John Wiley & Sons, Ltd., Publication Thiseditionfirstpublished2012(cid:2)C 2012byJohnWiley&Sons,Ltd. BMJBooksisanimprintofBMJPublishingGroupLimited,usedunderlicencebyBlackwellPublishingwhich wasacquiredbyJohnWiley&SonsinFebruary2007.Blackwell’spublishingprogrammehasbeenmergedwith Wiley’sglobalScientific,TechnicalandMedicalbusinesstoformWiley-Blackwell. 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Nowarrantymaybecreatedorextendedbyanypromotionalstatementsforthiswork.Neitherthepublisher northeauthorshallbeliableforanydamagesarisingherefrom. LibraryofCongressCataloging-in-PublicationData Robinson,Neville. Howtosurviveinanaesthesia:aguidefortrainees.–4thed./ NevilleRobinson,GeorgeHall,WilliamFawcett. p.;cm. Includesindex. ISBN978-0-470-65462-0(pbk.) 1.Anesthesiologists–Trainingof. 2.Anesthesiology–Studyandteaching. 3.Anesthesia. I.Hall,GeorgeM.(GeorgeMartin) II.Fawcett,William,1962- III.Title. [DNLM:1.Anesthesia–methods.WO200] RD81.R6552011 617.9(cid:3)6092–dc23 2011018481 AcataloguerecordforthisbookisavailablefromtheBritishLibrary. Thisbookispublishedinthefollowingelectronicformats:ePDF9781119950431;WileyOnlineLibrary 9781119950462;ePub9781119950448 Setin9.5/12ptMinionbyAptaraInc.,NewDelhi,India 1 2012 ThisbookisdedicatedtoCharlotteFawcett Contents Listofboxes,ix Listoffigures,xiii Listoftables,xiv Prefacetothefourthedition,xv Prefacetothethirdedition,xvi Prefacetothesecondedition,xvii Prefacetothefirstedition,xviii Let’sstartattheverybeginning...,xix PartI:Nutsandbolts,1 Chapter1: Evaluationoftheairway,3 Chapter2: Controloftheairway,9 Chapter3: Trachealintubation,15 Chapter4: Failedintubationdrill,21 Chapter5: Vascularaccess,25 Chapter6: Intravenousfluids,29 Chapter7: Theanaestheticmachine,33 Chapter8: Anaestheticbreathingsystems,41 Chapter9: Ventilatorsandotherequipment,47 Chapter10: Monitoringinanaesthesia,51 PartII:Crisesandcomplications,57 Chapter11: Cardiacarrest,59 Chapter12: Haemorrhageandbloodtransfusion,69 vii viii Contents Chapter13: Anaphylacticreactions,77 Chapter14: Malignanthyperthermia,81 Chapter15: Localanaesthetictoxicity,87 Chapter16: Stridor–upperairwayobstruction,93 Chapter17: Pneumothorax,99 Chapter18: Commonintraoperativeproblems,103 Chapter19: Postoperativeproblems,111 Chapter20: Anaestheticmishaps,121 PartIII:Passingthegas,125 Chapter21: Preoperativeevaluation,127 Chapter22: Recognitionandmanagementofthesickpatient,133 Chapter23: Principlesofemergencyanaesthesia,137 Chapter24: Epiduralandspinalanaesthesia,145 Chapter25: Anaesthesiaforgynaecologicalsurgery,153 Chapter26: Anaesthesiaforurologicalsurgery,161 Chapter27: Anaesthesiaforabdominalsurgery,169 Chapter28: AnaesthesiafordentalandENTsurgery,175 Chapter29: Anaesthesiafororthopaedicsurgery,183 Chapter30: Anaesthesiafordaycasesurgery,191 Chapter31: Managementofthepatientintherecoveryarea,195 Chapter32: Postoperativeanalgesia,201 Chapter33: Managementofheadinjuries,207 Chapter34: Anaesthesiainthecorridor,211 Chapter35: Anaestheticaphorisms,217 Andfinally...,221 Index,223 List of boxes 1.1 Assessmentoftheairway,3 1.2 Medicalfeaturesofdifficultairway intubation,4 1.3 Anatomicalfeaturesofdifficultairwaycontroland intubation,4 2.1 Methodsofairwaycontrol,9 3.1 Intubationtechniques,15 3.2 Clinicalsignsusedtoconfirmtrachealintubation,16 3.3 Technicalteststoconfirmintubation,17 3.4 Complicationsoftrachealintubation,18 4.1 Initialcourseofactionforfailedintubation,21 4.2 Subsequentdecisionsforconsiderationafterfailed intubation,22 5.1 Complicationsofinternaljugularveincatheterisation,27 5.2 Variantsincentralvenouspressure,27 7.1 Anaestheticmachinecomponents,33 7.2 Oneatmosphereofpressure(variousunits),33 7.3 Anaestheticmachinechecklist,37 8.1 Anaestheticbreathingcircuitcomponents,41 8.2 Functionsofbagsinbreathingsystems,42 9.1 Typesofventilators,47 9.2 Suctiondevicecomponents,49 9.3 Scavengingsystemcomponents,49 10.1 Anaesthesiamonitoringrequirements,51 10.2 Patientmonitoringdevices(essential),53 10.3 Specialisedpatientmonitoringdevices,53 10.4 Causesoflowoxygensaturation,55 10.5 CommoncausesofhighandlowP CO ,56 a 2 12.1 Bloodlossestimation,69 12.2 Additivesusedinredcellstorage,70 12.3 Bloodtransfusioncomplications,72 ix x Listofboxes 12.4 Bloodvolumeformulae,74 12.5 Bloodtransfusionchecks,75 13.1 Signsofsevereallergicdrugreactions,77 13.2 Anaphylaxis–immediatemanagement,78 13.3 Anaphylaxis–secondarymanagement,79 14.1 Clinicalsignsofmalignanthyperthermia(MH),83 14.2 Metabolicsignsofmalignanthyperthermia,83 14.3 Overallmanagementplanformalignanthyperthermia,84 14.4 Anaesthesiainsuspectedmalignanthyperthermia,85 15.1 Recommendationsforthesafeuseofadrenalineinlocal anaestheticsolutions,88 15.2 Signsofmildlocalanaesthetictoxcity,89 15.3 Signsofseverelocalanaesthetictoxicity,89 15.4 Immediatemanagementofseverelocalanaesthetictoxicity,90 15.5 Treatmentofseverelocalanaesthetictoxicitywithout circulatoryarrest,90 15.6 Managementofcardiacarrestassociatedwithlocalanaesthetic injection,90 16.1 Commoncausesofupperairwayobstruction,93 16.2 Symptomsandsignsofupperairwayobstruction,94 17.1 Causesofpneumothorax,99 17.2 Signsofpneumothoraxinanaesthesia,100 18.1 Commoncausesofintraoperativeproblems,104 18.2 Managementoflaryngospasm,105 18.3 Differentialdiagnosesofwheeze,105 18.4 Drugtreatmentoflife-threateningarrhythmias,107 18.5 Majorcausesofintraoperativehypotension,108 18.6 Causesofintraoperativehypertension,109 19.1 Signsofairwayobstruction,111 19.2 Commoncausesofpostoperativeairwayobstruction,112 19.3 Commoncausesoffailuretobreathe,113 19.4 Unusualcausesoffailuretobreathe,113 19.5 Signsofadequateneuromuscularfunction,114 19.6 Factorsassociatedwithpostoperativevomiting,115 19.7 Causesofdelayedrecovery,116 19.8 Factorspredisposingtopostoperativehypothermia,117 19.9 Preventionofbodyheatloss,117 19.10 Causesofhyperthermia,118 21.1 Classificationofoperations,127 21.2 ASAphysicalstatusclasses,128 21.3 Specificassessmentofobesity,129 Listofboxes xi 21.4 Basicandadvancedpreoperativetests,129 21.5 Reasonsforpremedication,131 22.1 Principlesofcareinthesicksurgicalpatient,133 23.1 Componentsofgeneralanaesthesia,137 23.2 Classificationofanaesthetictechniques,138 23.3 Methodsoffacilitatingtrachealintubation,139 23.4 Managementoftrachealintubationwhenriskof aspiration,140 23.5 Majorsideeffectsofsuxamethonium,142 23.6 Highriskfactorsforregurgitation,143 23.7 Signsofpulmonaryaspiration,143 23.8 Levelsofcare,144 24.1 Requirementsbeforestartingregionalanaesthesia,145 24.2 Absoluteandrelativecontraindicationstoepidural anaesthesia,146 24.3 Majorcomplicationsofepiduralanaesthesia,149 24.4 Othercomplicationsofepiduralanaesthesia,149 24.5 Complicationsofepiduralopioids,150 24.6 Factorsinfluencingdistributionoflocalanaestheticsolutions inCSF,151 25.1 AdvantagesofCO useforpneumoperitoneum,153 2 25.2 Problemsarisingfromgasinsufflation,154 25.3 Complicationsfromneedleortrocharinsertion,155 25.4 Anaestheticproblemsoflaparoscopicsurgery,155 25.5 Anaestheticconsiderationsinectopicpregnancy,156 25.6 AnaestheticconsiderationsforERPC,157 26.1 Requirementsforurologicalirrigatingfluid,161 26.2 Factorsinfluencingtheabsorptionofglycine,162 26.3 AnaestheticproblemsforTURP,162 26.4 Symptomsandsignsofacutewaterintoxication (TURPsyndrome),163 26.5 BloodtestsinsuspectedTURPsyndrome,163 26.6 ManagementofwaterintoxicationinTURPsyndrome,164 26.7 AnaesthesiaforTURP,165 26.8 Advantagesanddisadvantagesofregionalanaesthesia forTURP,166 26.9 Advantagesanddisadvantagesofgeneralanaesthesia forTURP,166 26.10 Specificconsiderationsinrenalsurgery,168 27.1 Specificpreoperativeproblemsinabdominalsurgery,169 27.2 Complicationsofhypokalaemia,170 xii Listofboxes 27.3 Perioperativeconsiderationsinabdominalsurgery,170 27.4 Specificpostoperativeproblemsinabdominalsurgery,171 27.5 Anaestheticproblemsofanalsurgery,173 28.1 Anaesthetictechniquesfordentalsurgery,176 28.2 Considerationsforgeneralanaesthesiaindentalsurgery,176 28.3 Anaestheticconsiderationsfortonsillectomy,178 28.4 Anaestheticproblemsinthebleedingtonsil,179 28.5 Anaestheticconsiderationsformiddleearsurgery,180 28.6 Techniquesforinducedhypotension,180 29.1 Generalconsiderationsinorthopaedicanaesthesia,183 29.2 Anaestheticconsiderationsandtechniquesfor armsurgery,185 29.3 Anaestheticconsiderationsandtechniquesforhipandknee surgery,186 29.4 Advantagesanddisadvantagesofregionalanaesthesiaforhip andkneesurgery,186 29.5 Advantagesanddisadvantagesofgeneralanaesthesiaforhip andkneesurgery,187 29.6 Anaestheticconsiderationsforspinalsurgery,188 30.1 Selectionguidelinesfordaycasesurgery,191 30.2 Dischargecriteriafordaycasesurgery,192 31.1 Mainobjectivesofcareintherecoveryarea,195 31.2 Causesofearlypostoperativehypoxaemia,196 31.3 Delayedrecoveryproblems,198 31.4 Typicalcriteriafordischargefromrecovery,199 32.1 Claimedadvantagesofgoodpostoperativeanalgesia,201 32.2 Factorsinfluencingpostoperativepain,202 32.3 Generalplanofpostoperativeanalgesia,202 32.4 MainsideeffectsofNSAIDs,204 32.5 Majorsideeffectsofsystemicopioids,204 33.1 Causesofsecondarybraindamageaftertrauma,207 33.2 Indicationsfortrachealintubationinthehead-injured patient,208 33.3 Guidelinesfortransferringhead-injuredpatients,210 34.1 Minimumrequirementsforconductofanaesthesia,211 34.2 Considerationsforelectroconvulsivetherapyanaesthesia,212 34.3 Anaestheticconsiderationsforpatienttransfer,214
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