2005
Advancing an epidural catheter 10 cm then retracting it 5 cm is no more effective than advancing it 5 cm
Cartagena R, Gaiser R. Advancing an epidural catheter 10 cm then retracting it 5 cm is no more effective than advancing it 5 cm. Journal Of Clinical Anesthesia 2005, 17: 528-530. PMID: 16297752, DOI: 10.1016/j.jclinane.2005.08.002.Peer-Reviewed Original ResearchConceptsEpidural catheterIntravascular placementSensory levelProspective Randomized StudyClear clinical benefitUniversity Medical CenterRandomized studyEpidural anesthesiaClinical benefitEpidural spaceMedical CenterCatheterParesthesiaDelivery unitFurther studiesPatientsGroupPlacementParturientsAnesthesiaHigh frequencyPredicting prolonged fetal heart rate deceleration following intrathecal fentanyl/bupivacaine
Gaiser R, McHugh M, Cheek T, Gutsche B. Predicting prolonged fetal heart rate deceleration following intrathecal fentanyl/bupivacaine. International Journal Of Obstetric Anesthesia 2005, 14: 208-211. PMID: 15935647, DOI: 10.1016/j.ijoa.2004.12.010.Peer-Reviewed Original ResearchConceptsFetal heart rate decelerationsHeart rate decelerationsFentanyl/bupivacaineSpinal-epidural analgesiaRate decelerationVariable fetal heart rate decelerationsFetal heart rate abnormalitiesHeart rate abnormalitiesCase-control studyProgress of laborFetal head engagementFetal tracingIntrathecal bupivacaineIntrathecal opioidsCohort studyConsecutive patientsLabor analgesiaVariable decelerationsRate abnormalitiesRisk factorsFetal headAnalgesiaBupivacaineHead engagementOpioidsLabor epidurals and outcome
Gaiser R. Labor epidurals and outcome. Best Practice & Research Clinical Anaesthesiology 2005, 19: 1-16. PMID: 15679055, DOI: 10.1016/j.bpa.2004.07.001.Peer-Reviewed Original Research
2004
Epidural blood patch in a patient taking enoxaparin
Gaiser R, Berkowitz D, Chou D. Epidural blood patch in a patient taking enoxaparin. Journal Of Clinical Anesthesia 2004, 16: 386-388. PMID: 15374562, DOI: 10.1016/j.jclinane.2003.09.011.Peer-Reviewed Original Research
2003
The epidural test dose in obstetric anesthesia: it is not obsolete
Gaiser R. The epidural test dose in obstetric anesthesia: it is not obsolete. Journal Of Clinical Anesthesia 2003, 15: 474-477. PMID: 14652129, DOI: 10.1016/s0952-8180(03)00113-2.Peer-Reviewed Original ResearchConceptsEpidural test doseTest dosePositive test doseMaternal heart rateLidocaine 1.5Tachycardic responsesEpidural catheterObstetric patientsLabor painUterine contractionsObstetric anesthesiaHeart rateIntravascular cathetersSensory levelCatheterDoseIncorrect placementLack of sensitivityMinutesPainPatientsAnesthesiaAnesthesiologistsEpinephrineFetusesChanges in the Provision of Anesthesia for the Parturient Undergoing Cesarean Section
GAISER R. Changes in the Provision of Anesthesia for the Parturient Undergoing Cesarean Section. Clinical Obstetrics & Gynecology 2003, 46: 646. PMID: 12972746, DOI: 10.1097/00003081-200309000-00017.Peer-Reviewed Original ResearchCystatin C as a cerebrospinal fluid biomarker for pain in humans
Mannes A, Martin B, Yang H, Keller J, Lewin S, Gaiser R, Iadarola M. Cystatin C as a cerebrospinal fluid biomarker for pain in humans. Pain 2003, 102: 251-256. PMID: 12670666, DOI: 10.1016/s0304-3959(02)00403-7.Peer-Reviewed Original ResearchConceptsCerebrospinal fluidCystatin CMcGill Short Form QuestionnaireCystatin C increaseNon-pain patientsElective caesarean sectionBeta-endorphin contentDorsal spinal cordVisual analog scaleCerebrospinal fluid biomarkersTotal CSF proteinPrevious animal studiesShort-form questionnairePeripheral inflammationCaesarean sectionSevere painDorsal hornPain statesPersistent painPain patientsAnalog scaleObstetrical patientsFluid biomarkersControl subjectsSpinal cord
2002
Anaesthesia for fetal surgery
Myers L, Cohen D, Galinkin J, Gaiser R, Kurth C. Anaesthesia for fetal surgery. Pediatric Anesthesia 2002, 12: 569-578. PMID: 12358650, DOI: 10.1046/j.1460-9592.2002.00840.x.Peer-Reviewed Original ResearchEpidural blood patch in a patient with an arachnoid cyst
Gaiser R, Mauney D, Imbesi S. Epidural blood patch in a patient with an arachnoid cyst. Journal Of Clinical Anesthesia 2002, 14: 42-45. PMID: 11880022, DOI: 10.1016/s0952-8180(01)00352-x.Peer-Reviewed Original Research
2000
Anesthesia for Fetoscopic Fetal Surgery: Twin Reverse Arterial Perfusion Sequence and Twin-Twin Transfusions Syndrome
Galinkin J, Gaiser R, Cohen D, Crombleholme T, Johnson M, Kurth C. Anesthesia for Fetoscopic Fetal Surgery: Twin Reverse Arterial Perfusion Sequence and Twin-Twin Transfusions Syndrome. Anesthesia & Analgesia 2000, 91: 1394-1397. PMID: 11093987, DOI: 10.1097/00000539-200012000-00017.Peer-Reviewed Original ResearchConceptsTwin-twin transfusion syndromeArterial perfusion sequenceTransfusion syndromeFetal surgeryPerfusion sequenceTwin reverse arterial perfusion sequenceUmbilical cord coagulationAnesthetic issuesAnesthetic techniqueCord coagulationMaternal issuesFetoscopic surgerySurgerySyndromePatientsAnesthesiaShould intrathecal lidocaine be used in the 21st century?
Gaiser R. Should intrathecal lidocaine be used in the 21st century? Journal Of Clinical Anesthesia 2000, 12: 476-481. PMID: 11090735, DOI: 10.1016/s0952-8180(00)00186-0.Peer-Reviewed Original ResearchConceptsCauda equina syndromeSingle-shot spinal anesthesiaSpinal anesthesiaContinuous spinal anesthesiaIntrathecal lidocaineSafe alternativeOutpatient spinal anesthesiaPermanent neurologic injuryTransient neurologic symptomsNeurologic symptomsNeurologic injuryBack painHyperbaric lidocaineGeneral anesthesiaLithotomy positionPermanent disabilityHyperbaric 5Intrathecal useLower incidenceSafe drugHigh incidenceAnesthesiaLidocaineShort proceduresSyndromeEffects of immediately initiating an epidural infusion in the combined spinal and epidural technique in nulliparous parturients
Gaiser R, Lewin S, Cheek T, Gutsche B. Effects of immediately initiating an epidural infusion in the combined spinal and epidural technique in nulliparous parturients. Regional Anesthesia & Pain Medicine 2000, 25: 223-227. PMID: 10834774, DOI: 10.1016/s1098-7339(00)90002-6.Peer-Reviewed Original ResearchConceptsDuration of analgesiaBlood pressureIntrathecal injectionEpidural infusionNulliparous parturientsMotor blockREF groupEpidural techniqueEphedrine useSensory levelDegree of analgesiaSeverity of pruritusAdditional analgesiaIntrathecal fentanylEpidural salineLabor analgesiaCervical dilationAnalgesiaSide effectsFentanylInfusionStatistical significanceGreater decreasePruritusParturientsEffects of Immediately Initiating an Epidural Infusion in the Combined Spinal and Epidural Technique in Nulliparous Parturients
Gaiser R, Lewin S, Cheek T, Gutsche B. Effects of Immediately Initiating an Epidural Infusion in the Combined Spinal and Epidural Technique in Nulliparous Parturients. Regional Anesthesia & Pain Medicine 2000, 25: 223-227. DOI: 10.1097/00115550-200005000-00003.Peer-Reviewed Original ResearchConceptsDuration of analgesiaBlood pressureIntrathecal injectionEpidural infusionNulliparous parturientsMotor blockREF groupEpidural techniqueEphedrine useSensory levelDegree of analgesiaSeverity of pruritusAdditional analgesiaCombined SpinalIntrathecal fentanylEpidural salineLabor analgesiaCervical dilationAnalgesiaSide effectsFentanylInfusionStatistical significanceGreater decreasePruritusComparison of combined spinal-epidural and low dose epidural for labour analgesia
Hepner D, Gaiser R, Cheek T, Gutsche B. Comparison of combined spinal-epidural and low dose epidural for labour analgesia. Journal Canadien D'anesthésie 2000, 47: 232-236. PMID: 10730733, DOI: 10.1007/bf03018918.Peer-Reviewed Original ResearchMeSH KeywordsAnalgesia, EpiduralAnalgesia, ObstetricalAnalgesics, OpioidAnesthetics, LocalBuffersBupivacaineChi-Square DistributionDouble-Blind MethodEpinephrineFemaleFentanylHumansInjections, SpinalMotor NeuronsNerve BlockPainPain MeasurementPatient SatisfactionPregnancyProspective StudiesSodium BicarbonateTime FactorsVasoconstrictor AgentsConceptsEpidural analgesiaComplete analgesiaLow-dose epiduralsDouble-blind fashionSpinal-epidural techniqueOnset of analgesiaHealthy term parturientsAcademic medical centerSodium bicarbonate 8.4Additional analgesiaCSE analgesiaEpidural groupMotor blockadeMotor blockTerm parturientsEpidural techniqueLabor analgesiaParturients' satisfactionUniversity HospitalMaternal requestCSE groupAnalgesiaMedical CenterLabor floorOpioid mixtures
1999
Anesthetic considerations for fetal surgery
Gaiser R, Kurth C. Anesthetic considerations for fetal surgery. Seminars In Perinatology 1999, 23: 507-514. PMID: 10630546, DOI: 10.1016/s0146-0005(99)80029-9.Peer-Reviewed Original ResearchObstetricians' ability to assess the airway.
Gaiser R, McGonigal E, Litts P, Cheek T, Gutsche B. Obstetricians' ability to assess the airway. Obstetrics And Gynecology 1999, 93: 648-52. PMID: 10912960, DOI: 10.1016/s0029-7844(98)00552-3.Peer-Reviewed Original ResearchConceptsPossible difficult intubationEarly epidural analgesiaAirway examinationObstetrician's abilityDifficult intubationEpidural analgesiaObstetric residentsChoice of analgesiaLabor analgesiaDifficult airwayAnalgesiaAirwayResident anesthesiologistsIntubationPhysiciansParturientsSignificant increaseObstetriciansExaminationEffect of educationConsultationResidentsAnesthesiologistsSpecificityObstetricians' Ability to Assess the Airway
GAISER R, MCGONIGAL E, LITTS P, CHEEK T, GUTSCHE B. Obstetricians' Ability to Assess the Airway. Obstetrics And Gynecology 1999, 93: 648-652. DOI: 10.1097/00006250-199905000-00003.Peer-Reviewed Original ResearchConceptsPossible difficult intubationEarly epidural analgesiaAirway examinationObstetrician's abilityDifficult intubationEpidural analgesiaObstetric residentsChoice of analgesiaLabor analgesiaDifficult airwayAnalgesiaAirwayResident anesthesiologistsIntubationPhysiciansParturientsSignificant increaseObstetriciansExaminationEffect of educationConsultationResidentsAnesthesiologistsSpecificityThe Cesarean Delivery of a Twin Gestation Under 2 Minimum Alveolar Anesthetic Concentration Isoflurane
Gaiser R, Kurth C, Cohen D, Crombleholme T. The Cesarean Delivery of a Twin Gestation Under 2 Minimum Alveolar Anesthetic Concentration Isoflurane. Anesthesia & Analgesia 1999, 88: 584-586.. DOI: 10.1213/00000539-199903000-00023.Peer-Reviewed Original ResearchThe cesarean delivery of a twin gestation under 2 minimum alveolar anesthetic concentration isoflurane: one normal and one with a large neck mass.
Gaiser R, Kurth C, Cohen D, Crombleholme T. The cesarean delivery of a twin gestation under 2 minimum alveolar anesthetic concentration isoflurane: one normal and one with a large neck mass. Anesthesia & Analgesia 1999, 88: 584-6. PMID: 10072011, DOI: 10.1097/00000539-199903000-00023.Peer-Reviewed Original Research
1998
Comparative Evaluation of Four Different Infusion Rates of Ropivacaine (2 mg/mL) for Epidural Labor Analgesia
Cascio M, Gaiser R, Camann W, Venkateswaran P, Hawkins J, McCarthy D. Comparative Evaluation of Four Different Infusion Rates of Ropivacaine (2 mg/mL) for Epidural Labor Analgesia. Regional Anesthesia & Pain Medicine 1998, 23: 548-553. DOI: 10.1097/00115550-199823060-00006.Peer-Reviewed Original ResearchConceptsVisual analog pain scaleML/hourMotor blockLabor analgesiaInfusion ratePain reliefBolus dosageHours groupNeurological adaptive capacity scoresEpidural infusion rateLess motor blockAnalog pain scaleLumbar epidural catheterLabor pain managementEpidural labor analgesiaInstitutional review board approvalReview board approvalAdaptive capacity scoresDifferent infusion ratesSatisfactory labor analgesiaBromage scaleRescue analgesiaApgar scoreEpidural catheterMost patients