0000000000961892

AUTHOR

S. Davies

showing 2 related works from this author

The Association of Intraoperative driving pressure with postoperative pulmonary complications in open versus closed abdominal surgery patients – a po…

2021

Abstract Background It is uncertain whether the association of the intraoperative driving pressure (ΔP) with postoperative pulmonary complications (PPCs) depends on the surgical approach during abdominal surgery. Our primary objective was to determine and compare the association of time–weighted average ΔP (ΔPTW) with PPCs. We also tested the association of ΔPTW with intraoperative adverse events. Methods Posthoc retrospective propensity score–weighted cohort analysis of patients undergoing open or closed abdominal surgery in the ‘Local ASsessment of Ventilatory management during General Anaesthesia for Surgery’ (LAS VEGAS) study, that included patients in 146 hospitals across 29 countries.…

Driving pressure; Laparoscopic surgery; Laparoscopy; PEEP; Perioperative ventilation; Pneumoperitoneum; Protective ventilation; Respiratory mechanics;Lung DiseasesMaleLaparoscopic surgery[SDV]Life Sciences [q-bio]medicine.medical_treatmentLaparoscopic surgeryCohort StudiesPositive-Pressure RespirationPostoperative Complications0302 clinical medicinePneumoperitoneum030202 anesthesiologyPneumoperitoneumAbdomenClinical endpointPerioperative ventilationMiddle Aged3. Good healthDriving pressure Laparoscopic surgery Laparoscopy PEEP Perioperative ventilation Pneumoperitoneum Protective ventilation Respiratory mechanicsDriving pressureFemaleResearch ArticleCohort studyProtective ventilationAdultmedicine.medical_specialtyAnestesi och intensivvårdRespiratory mechanicsAnesthesia GeneralNOlcsh:RD78.3-87.303 medical and health sciencesmedicineHumansPropensity ScoreAdverse effectPEEPAgedRetrospective StudiesDriving pressure; Laparoscopic surgery; Laparoscopy; PEEP; Perioperative ventilation; Pneumoperitoneum; Protective ventilation; Respiratory mechanicsAnesthesiology and Intensive Carebusiness.industryKirurgi030208 emergency & critical care medicineOdds ratiomedicine.diseaseRespiration ArtificialSurgeryAnesthesiology and Pain Medicinelcsh:AnesthesiologyRelative riskSurgeryLaparoscopyDriving pressure ; Laparoscopic surgery ; Laparoscopy ; PEEP ; Perioperative ventilation ; Pneumoperitoneum ; Protective ventilation ; Respiratory mechanics.businessAbdominal surgery
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Nitric Acid Trihydrate (NAT) formation at low NAT supersaturation in Polar Stratospheric Clouds (PSCs)

2005

International audience; A PSC was detected on 6 February 2003 in the Arctic stratosphere by in-situ measurements onboard the high-altitude research aircraft Geophysica. Low number densities (~10-4cm-3) of small nitric acid (HNO3) containing particles (dTNAT, these NAT particles have the potential to grow further and to remove HNO3 from the stratosphere, thereby enhancing polar ozone loss. Interestingly, the NAT particles formed in less than a day at temperatures just slightly below TNAT (T>TNAT-3.1K). This unique measurement of PSC formation at extremely low NAT saturation ratios (SNAT?10) constrains current NAT nucleation theories. We suggest, that the NAT particles have formed heterogeneo…

Atmospheric Science010504 meteorology & atmospheric sciencesAnalytical chemistryNucleation010402 general chemistryAtmospheric sciences01 natural scienceslcsh:Chemistrychemistry.chemical_compoundNitric acidStratosphere0105 earth and related environmental sciences[SDU.OCEAN]Sciences of the Universe [physics]/Ocean AtmosphereSupersaturationChemistrylcsh:QC1-9990104 chemical sciencesThe arcticozonelcsh:QD1-99913. Climate actionNatpolar stratospheric cloud (PSC)PolarSaturation (chemistry)nitric acid trihydrate (NAT)lcsh:Physics
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