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 frequency
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 sensitivityMinutesPainPatientsAnesthesiaAnesthesiologistsEpinephrineFetuses
2000
Effects 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 decreasePruritus
1998
Epidural lidocaine for cesarean delivery of the distressed fetus
Gaiser R, Cheek T, Adams H, Gutsche B. Epidural lidocaine for cesarean delivery of the distressed fetus. International Journal Of Obstetric Anesthesia 1998, 7: 27-31. PMID: 15321243, DOI: 10.1016/s0959-289x(98)80025-3.Peer-Reviewed Original ResearchCesarean sectionChloroprocaine groupEpidural infusionCesarean deliverySensory levelT10 sensory levelT4 sensory levelUrgent cesarean sectionElective cesarean sectionUrgent cesarean deliveryAdaptive capacity scoresCompletion of injectionApgar scoreEpidural lidocaineElective groupEpidural catheterLidocaine levelsMaternal serumEpidural anesthesiaExcellent anesthesiaSodium bicarbonateDistressed fetusesAdequate anesthesiaElective casesEmergency group
1997
Comparison of 0.25% ropivacaine and bupivacaine for epidural analgesia for labor and vaginal delivery
Gaiser R, Venkateswaren P, Cheek T, Persiley E, Buxbaum J, Hedge J, Joyce T, Gutsche B. Comparison of 0.25% ropivacaine and bupivacaine for epidural analgesia for labor and vaginal delivery. Journal Of Clinical Anesthesia 1997, 9: 564-568. PMID: 9347433, DOI: 10.1016/s0952-8180(97)00145-1.Peer-Reviewed Original ResearchConceptsASA physical status IPhysical status IVisual analog scaleMotor blockadeApgar scoreStatus IActive laborSensory levelContinuous lumbar epidural infusionUmbilical cord blood samplesLumbar epidural infusionMaternal blood pressureUmbilical cord gasesLumbar epidural catheterDouble-blind studyCord blood samplesMajor adverse effectsMaternal arterial concentrationsNon-blind studyAdaptive capacity scoresContraction painNeonatal effectsRopivacaine groupRopivacaine levelsBupivacaine group