FIND

researchers

DISCOVER

relevant articles

PROMOTE

your research

now for free

Malachy Columb

Research Profile

Chemicals & Drugs

Physiology

Pregnancy

Procedures

Concepts & Ideas

Co-author Network

Publications

TOP 3
Brendan A McGrath; Malachy Columb
Thermodilution cardiac output during haemodialysis: what are we measuring?
A R Jones; C Carle; Malachy Columb
Effect of table tilt on ligamentum flavum length measured using ultrasonography in pregnant women*.
Michael Nathanson; Malachy Columb
Research on neuroanaesthesia and real outcomes.

Register for free to view:

Visualized networks:

See your personal network in
sophisticated graphical views

GeoTargeted Searches:

Locate experts around the world
and connect with global collaborators

Research Profiles:

See the research activity
of experts around the globe

Geonetwork of Malachy Columb (preview)

Cities where this author has publications
Cities where co-authors of this author have publications

Flash Player Required

All Publications

2013: Brendan A McGrath; Malachy Columb
Thermodilution cardiac output during haemodialysis: what are we measuring?
European journal of anaesthesiology 2013;30(1):7-8.
2013: A R Jones; C Carle; Malachy Columb
Effect of table tilt on ligamentum flavum length measured using ultrasonography in pregnant women*.
Anaesthesia 2013;68(1):27-30.
2012: Michael Nathanson; Malachy Columb
Research on neuroanaesthesia and real outcomes.
European journal of anaesthesiology 2012;29(8):360-1.
2012: N P Patel; V Sodhi; S L Armstrong; J K Bray; Malachy Columb; R Fernando; Gordon R Lyons
Combined spinal epidural vs epidural labour analgesia: does initial intrathecal analgesia reduce the subsequent minimum local analgesic concentration of epidural bupivacaine?
Anaesthesia 2012;67(6):584-93.
2012: Malachy Columb
Spinal haematoma after epidural puncture.
European journal of anaesthesiology 2012;29(4):169.
2011: Rachel Hignett; Sarah McDonald; Alan McGlennan; Adrienne Stewart; Tina Adamou; Malachy Columb; Roshan Fernando; Paul Dilworth
A randomized crossover study to determine the effect of a 30° head-up versus a supine position on the functional residual capacity of term parturients.
Anesthesia and analgesia 2011;113(5):1098-102.
2011: S Armstrong; R Fernando; Malachy Columb
Minimally- and non-invasive assessment of maternal cardiac output: go with the flow!
International journal of obstetric anesthesia 2011;20(4):330-40.
2011: Christian Loubert; Nisa Patel; Kavita Sarang; Malachy Columb; Roshan Fernando; Stephen Hallworth; Vinnie Sodhi
Does the baricity of bupivacaine influence intrathecal spread in the prolonged sitting position before elective cesarean delivery? A prospective randomized controlled study.
Anesthesia and analgesia 2011;113(4):811-7.
2011: Sarah McDonald; Roshan Fernando; Keri Ashpole; Malachy Columb
Maternal cardiac output changes after crystalloid or colloid coload following spinal anesthesia for elective cesarean delivery: a randomized controlled trial.
Anesthesia and analgesia 2011;113(4):803-10.
2011: S Armstrong; K Ashpole; R Fernando; R Simons; Malachy Columb
Assessment of coagulation in the obstetric population using ROTEM® thromboelastometry.
International journal of obstetric anesthesia 2011;20(4):293-8.
2011: Sarah Armstrong; Malachy Columb; Roshan Fernando; Tanya Jones
Cardiac index in term pregnant women in the sitting, lateral, and supine positions: an observational, crossover study.
Anesthesia and analgesia 2011;113(2):318-22.
2011: H Boyce; Malachy Columb; H Hume-Smith; J Ng; Gary M Stocks
Use of thromboelastography to guide thromboprophylaxis after caesarean section.
International journal of obstetric anesthesia 2011;20(3):213-8.
2011: R A Clayton; J P Bannard-Smith; S J Washington; N Wisely; Malachy Columb; L Rees
Cardiopulmonary exercise testing and length of stay in patients undergoing major surgery.
Anaesthesia 2011;66(5):393-4.
2011: C Loubert; P J O'Brien; R Fernando; N Walton; S Philip; T Addei; Malachy Columb; S Hallworth
Epidural volume extension in combined spinal epidural anaesthesia for elective caesarean section: a randomised controlled trial.
Anaesthesia 2011;66(5):341-7.
2011: Michela Camorcia; Giorgio Capogna; Malachy Columb
Effect of sex and pregnancy on the potency of intrathecal bupivacaine: determination of ED₅₀ for motor block with the up-down sequential allocation method.
European journal of anaesthesiology 2011;28(4):240-4.
2011: G Lyons; Malachy Columb
Up-down sequential allocation and regional anaesthesia.
Acta anaesthesiologica Scandinavica 2011;55(3):337-9.
2011: A McNaught; U Shastri; N Carmichael; I T Awad; Malachy Columb; J Cheung; Richard Holtby; C J L McCartney
Ultrasound reduces the minimum effective local anaesthetic volume compared with peripheral nerve stimulation for interscalene block.
British journal of anaesthesia 2011;106(1):124-30.
2010: Gokcen Basaranoglu; Malachy Columb; Gordon Lyons
Failure to predict difficult tracheal intubation for emergency caesarean section.
European journal of anaesthesiology 2010;27(11):947-9.
2010: Adrienne Stewart; Roshan Fernando; Sarah McDonald; Rachel Hignett; Tanya Jones; Malachy Columb
The dose-dependent effects of phenylephrine for elective cesarean delivery under spinal anesthesia.
Anesthesia and analgesia 2010;111(5):1230-7.
2010: Moeen K Panni; Ronald B George; T K Allen; Adeyemi J Olufolabi; J R Schultz; M Okumura; Malachy Columb; Ashraf S Habib
Minimum effective dose of spinal ropivacaine with and without fentanyl for postpartum tubal ligation.
International journal of obstetric anesthesia 2010;19(4):390-4.
2010: P Walsh; Malachy Columb; R Russell
A comparison of a Neuropen monofilament and ethyl chloride for assessing loss of touch sensation during combined spinal-epidural anaesthesia for caesarean section.
International journal of obstetric anesthesia 2010;19(4):365-72.
2010: M Kocarev; E Watkins; HA McLure; Malachy Columb; Gordon Lyons
Sensory testing of spinal anaesthesia for caesarean section: differential block and variability.
International journal of obstetric anesthesia 2010;19(3):261-5.
2010: Ronald B George; Dolores McKeen; Malachy Columb; Ashraf S Habib
Up-down determination of the 90% effective dose of phenylephrine for the treatment of spinal anesthesia-induced hypotension in parturients undergoing cesarean delivery.
Anesthesia and analgesia 2010;110(1):154-8.
2009: Perumal Tamilselvan; Roshan Fernando; Johanna Bray; Manisha Sodhi; Malachy Columb
The effects of crystalloid and colloid preload on cardiac output in the parturient undergoing planned cesarean delivery under spinal anesthesia: a randomized trial.
Anesthesia and analgesia 2009;109(6):1916-21.
2009: M C Hennebry; Gary M Stocks; P Belavadi; J Barnes; S Wray; Malachy Columb; Gordon Lyons
Effect of i.v. phenylephrine or ephedrine on the ED50 of intrathecal bupivacaine with fentanyl for caesarean section.
British journal of anaesthesia 2009;102(6):806-11.
2009: Susan I Phoenix; Sharath Paravastu; Malachy Columb; Jean-Louis Vincent; Mahesh Nirmalan
Does a higher positive end expiratory pressure decrease mortality in acute respiratory distress syndrome? A systematic review and meta-analysis.
Anesthesiology 2009;110(5):1098-105.
2009: Graeme A McLeod; J Dale; D Robinson; M Checketts; Malachy Columb; J Luck; Carlos A Wigderowitz; D Rowley
Determination of the EC50 of levobupivacaine for femoral and sciatic perineural infusion after total knee arthroplasty.
British journal of anaesthesia 2009;102(4):528-33.
2008: P Y Dewandre; M Kirsch; Vincent Bonhomme; Malachy Columb; Pol Hans; Jean-François Brichant
Impact of the addition of sufentanil 5 microg or clonidine 75 microg on the minimum local analgesic concentration of ropivacaine for epidural analgesia in labour: a randomized comparison.
International journal of obstetric anesthesia 2008;17(4):315-21.
2008: Ruth Landau; Christian Kern; Malachy Columb; Richard M Smiley; Jean-Louis Blouin
Genetic variability of the mu-opioid receptor influences intrathecal fentanyl analgesia requirements in laboring women.
Pain 2008;139(1):5-14.
2008: Rob McCahon; Malachy Columb; Ravi P Mahajan; J G Hardman
Validation and application of a high-fidelity, computational model of acute respiratory distress syndrome to the examination of the indices of oxygenation at constant lung-state.
British journal of anaesthesia 2008;101(3):358-65.
2008: Michela Camorcia; Giorgio Capogna; Malachy Columb
Estimation of the minimum motor blocking potency ratio for intrathecal bupivacaine and lidocaine.
International journal of obstetric anesthesia 2008;17(3):223-7.
2007: H E Schulenburg; C Sri-Chandana; Gordon Lyons; Malachy Columb; H A McLure
Hyaluronidase reduces local anaesthetic volumes for sub-Tenon's anaesthesia.
British journal of anaesthesia 2007;99(5):717-20.
2007: Hector J Lacassie; Ashraf S Habib; Hector P Lacassie; Malachy Columb
Motor blocking minimum local anesthetic concentrations of bupivacaine, levobupivacaine, and ropivacaine in labor.
Regional anesthesia and pain medicine 2007;32(4):323-9.
2007: Hector J Lacassie; Hector P Lacassie; Malachy Columb
Reflections on motor blocking minimum local anesthetic concentrations.
Anesthesia and analgesia 2007;104(6):1609; author reply 1609.
2007: Michela Camorcia; Giorgio Capogna; Cristiana Berritta; Malachy Columb
The relative potencies for motor block after intrathecal ropivacaine, levobupivacaine, and bupivacaine.
Anesthesia and analgesia 2007;104(4):904-7.
2007: Graeme A McLeod; B Munishankar; Malachy Columb
An isobolographic analysis of diamorphine and levobupivacaine for epidural analgesia in early labour.
British journal of anaesthesia 2007;98(4):497-502.
2007: Gordon R Lyons; Mitko G Kocarev; Rowan C Wilson; Malachy Columb
A comparison of minimum local anesthetic volumes and doses of epidural bupivacaine (0.125% w/v and 0.25% w/v) for analgesia in labor.
Anesthesia and analgesia 2007;104(2):412-5.
2007: I Buyse; W Stockman; Malachy Columb; Eugène Vandermeersch; Marc Van de Velde
Effect of sufentanil on minimum local analgesic concentrations of epidural bupivacaine, ropivacaine and levobupivacaine in nullipara in early labour.
International journal of obstetric anesthesia 2007;16(1):22-8.
2006: Johanna K Bray; Roshan Fernando; Nisa P Patel; Malachy Columb
Suprasternal Doppler estimation of cardiac output: standard versus sequential combined spinal epidural anesthesia for cesarean delivery.
Anesthesia and analgesia 2006;103(4):959-64.
2006: Malachy Columb; P Tandon
Extrapolation and interpretation.
European journal of anaesthesiology 2006;23(5):440-1.
2006: Malachy Columb; R D'Angelo
Up-down studies: responding to dosing!
International journal of obstetric anesthesia 2006;15(2):129-36.
2006: S Saravanan; Mitko G Kocarev; R C Wilson; E Watkins; Malachy Columb; Gordon Lyons
Equivalent dose of ephedrine and phenylephrine in the prevention of post-spinal hypotension in Caesarean section.
British journal of anaesthesia 2006;96(1):95-9.
2006: Moeen K Panni; Malachy Columb
Obese parturients have lower epidural local anaesthetic requirements for analgesia in labour.
British journal of anaesthesia 2006;96(1):106-10.
2005: N Beale; B Evans; F Plaat; Malachy Columb; Gordon Lyons; Gary M Stocks
Effect of epidural volume extension on dose requirement of intrathecal hyperbaric bupivacaine at Caesarean section.
British journal of anaesthesia 2005;95(4):500-3.
2005: Malachy Columb; H E Thomson
Confidence with confidence intervals.
British journal of anaesthesia 2005;95(1):111-2.
2005: Graeme A McLeod; Malachy Columb
Moles, weights and potencies: freedom of expression!
British journal of anaesthesia 2005;95(1):110-1.
2005: K Robins; R Wilson; E J Watkins; Malachy Columb; Gordon Lyons
Chlorhexidine spray versus single use sachets for skin preparation before regional nerve blockade for elective caesarean section: an effectiveness, time and cost study.
International journal of obstetric anesthesia 2005;14(3):189-92.
2005: N Akerman; S Saxena; R Wilson; Malachy Columb; Gordon Lyons
Effect of intrathecal diamorphine on block height during spinal anaesthesia for Caesarean section with bupivacaine.
British journal of anaesthesia 2005;94(6):843-7.
2005: Stephen P Hallworth; Roshan Fernando; Malachy Columb; Gary M Stocks
The effect of posture and baricity on the spread of intrathecal bupivacaine for elective cesarean delivery.
Anesthesia and analgesia 2005;100(4):1159-65.
2005: Michela Camorcia; Giorgio Capogna; Malachy Columb
Minimum local analgesic doses of ropivacaine, levobupivacaine, and bupivacaine for intrathecal labor analgesia.
Anesthesiology 2005;102(3):646-50.
2005: Graeme A McLeod; B Munishankar; Malachy Columb
Is the clinical efficacy of epidural diamorphine concentration-dependent when used as analgesia for labour?
British journal of anaesthesia 2005;94(2):229-33.
2004: Michela Camorcia; Giorgio Capogna; Gordon Lyons; Malachy Columb
The relative motor blocking potencies of intrathecal ropivacaine: effects of concentration.
Anesthesia and analgesia 2004;98(6):1779-82, table of contents.
2004: Michela Camorcia; Giorgio Capogna; Gordon Lyons; Malachy Columb
Epidural test dose with levobupivacaine and ropivacaine: determination of ED(50) motor block after spinal administration.
British journal of anaesthesia 2004;92(6):850-3.
2003: Linda S Polley; Malachy Columb; Norah N Naughton; Deborah S Wagner; Cosmas van de Ven; Kathryn H Goralski
Relative analgesic potencies of levobupivacaine and ropivacaine for epidural analgesia in labor.
Anesthesiology 2003;99(6):1354-8.
2003: Hector J Lacassie; Malachy Columb
The relative motor blocking potencies of bupivacaine and levobupivacaine in labor.
Anesthesia and analgesia 2003;97(5):1509-13.
2003: Yehuda Ginosar; Malachy Columb; Sheila E Cohen; Edward Mirikatani; Martha S Tingle; Emily F Ratner; Martin S Angst; Edward T Riley
The site of action of epidural fentanyl infusions in the presence of local anesthetics: a minimum local analgesic concentration infusion study in nulliparous labor.
Anesthesia and analgesia 2003;97(5):1439-45.
2003: Malachy Columb; P Haji-Michael; P Nightingale
Data collection in the emergency setting.
Emergency medicine journal : EMJ 2003;20(5):459-63.
2003: S Saravanan; A P C Robinson; A Qayoum Dar; Malachy Columb; Gordon R Lyons
Minimum dose of intrathecal diamorphine required to prevent intraoperative supplementation of spinal anaesthesia for Caesarean section.
British journal of anaesthesia 2003;91(3):368-72.
2003: P Zuokumor; Malachy Columb
Epidural anaesthesia for pain relief in labour.
European journal of anaesthesiology 2003;20(8):674-5; author reply 675-6.
2003: Linda S Polley; Malachy Columb
Ropivacaine and bupivacaine: concentrating on dosing!
Anesthesia and analgesia 2003;96(5):1251-3.
2003: Giorgio Capogna; Michela Camorcia; Malachy Columb
Minimum analgesic doses of fentanyl and sufentanil for epidural analgesia in the first stage of labor.
Anesthesia and analgesia 2003;96(4):1178-82, table of contents.
2002: Hector J Lacassie; Malachy Columb; Hector P Lacassie; Rodrigo A Lantadilla
The relative motor blocking potencies of epidural bupivacaine and ropivacaine in labor.
Anesthesia and analgesia 2002;95(1):204-8, table of contents.
2002: Linda S Polley; Malachy Columb; Norah N Naughton; Deborah S Wagner; Cosmas van de Ven
Effect of epidural epinephrine on the minimum local analgesic concentration of epidural bupivacaine in labor.
Anesthesiology 2002;96(5):1123-8.
2002: Malachy Columb; S Maguire
Up-and-down allocation.
Anaesthesia 2002;57(3):300-1.
2001: Giorgio Capogna; Raffaella Parpaglioni; Gordon Lyons; Malachy Columb; Danilo Celleno
Minimum analgesic dose of epidural sufentanil for first-stage labor analgesia: a comparison between spontaneous and prostaglandin-induced labors in nulliparous women.
Anesthesiology 2001;94(5):740-4.
2001: Mahesh Nirmalan; Terrance M Willard; Malachy Columb; P Nightingale
Effect of changes in arterial-mixed venous oxygen content difference (C(a-v)O2) on indices of pulmonary oxygen transfer in a model ARDS lung.
British journal of anaesthesia 2001;86(4):477-85.
2001: Gary M Stocks; Stephen P Hallworth; Roshan Fernando; A J England; Malachy Columb; Gordon Lyons
Minimum local analgesic dose of intrathecal bupivacaine in labor and the effect of intrathecal fentanyl.
Anesthesiology 2001;94(4):593-8; discussion 5A.
2001: A P C Robinson; Gordon R Lyons; R C Wilson; H J Gorton; Malachy Columb
Levobupivacaine for epidural analgesia in labor: the sparing effect of epidural fentanyl.
Anesthesia and analgesia 2001;92(2):410-4.
2001: P J Dillon; Malachy Columb; D D Hume
Comparison of superior vena caval and femoroiliac venous pressure measurements during normal and inverse ratio ventilation.
Critical care medicine 2001;29(1):37-9.
2001: Malachy Columb; Linda S Polley
Potencies and probabilities: one-sided P values suggest a one-sided story!
Anesthesia and analgesia 2001;92(1):278-9.
2000: H J Gorton; E R Warren; N A Simpson; Gordon R Lyons; Malachy Columb
Thromboelastography identifies sex-related differences in coagulation.
Anesthesia and analgesia 2000;91(5):1279-81.
2000: Carl Gwinnutt; Malachy Columb; R Harris
Outcome after cardiac arrest in adults in UK hospitals: effect of the 1997 guidelines.
Resuscitation 2000;47(2):125-35.
2000: Linda S Polley; Malachy Columb
Potency, impotency, and importance!
Anesthesia and analgesia 2000;91(3):765-6.
2000: Linda S Polley; Malachy Columb; Norah N Naughton; Deborah S Wagner; D M Dorantes; Cosmas van de Ven
Effect of intravenous versus epidural fentanyl on the minimum local analgesic concentration of epidural bupivacaine in labor.
Anesthesiology 2000;93(1):122-8.
2000: Linda S Polley; Malachy Columb
Comparison of epidural ropivacaine and bupivacaine in combination with sufentanil for labor.
Anesthesiology 2000;92(1):280-1.
1999: G J Hulme; Malachy Columb
Mortality of medical oncological patients admitted to intensive care.
British journal of anaesthesia 1999;82(5):807-8.
1999: Linda S Polley; Malachy Columb; Norah N Naughton; Deborah S Wagner; Cosmas van de Ven
Relative analgesic potencies of ropivacaine and bupivacaine for epidural analgesia in labor: implications for therapeutic indexes.
Anesthesiology 1999;90(4):944-50.
1999: Giorgio Capogna; Danilo Celleno; P Fusco; Gordon Lyons; Malachy Columb
Relative potencies of bupivacaine and ropivacaine for analgesia in labour.
British journal of anaesthesia 1999;82(3):371-3.
1998: Gordon Lyons; Malachy Columb; R C Wilson; R V Johnson
Epidural pain relief in labour: potencies of levobupivacaine and racemic bupivacaine.
British journal of anaesthesia 1998;81(6):899-901.
1998: Linda S Polley; Malachy Columb; Deborah S Wagner; Norah N Naughton
Dose-dependent reduction of the minimum local analgesic concentration of bupivacaine by sufentanil for epidural analgesia in labor.
Anesthesiology 1998;89(3):626-32.
1998: Giorgio Capogna; Danilo Celleno; Gordon Lyons; Malachy Columb; P Fusco
Minimum local analgesic concentration of extradural bupivacaine increases with progression of labour.
British journal of anaesthesia 1998;80(1):11-3.
1997: Gordon Lyons; Malachy Columb; L Hawthorne; Martin Dresner
Extradural pain relief in labour: bupivacaine sparing by extradural fentanyl is dose dependent.
British journal of anaesthesia 1997;78(5):493-7.
1997: Malachy Columb
One-sided P values, repeated measures analysis of variance: two sides of the same story!
Anesthesia and analgesia 1997;84(3):701-2.
1997: Malachy Columb; Gordon Lyons; Norah N Naughton; W W Becton
Determination of the minimum local analgesic concentration of epidural chloroprocaine hydrochloride in labor.
International journal of obstetric anesthesia 1997;6(1):39-42.
1996: Linda S Polley; Malachy Columb; G Lyons; S A Nair
The effect of epidural fentanyl on the minimum local analgesic concentration of epidural chloroprocaine in labor.
Anesthesia and analgesia 1996;83(5):987-90.
1996: P G Murphy; M J Davies; Malachy Columb; N Stratford
Effect of propofol and thiopentone on free radical mediated oxidative stress of the erythrocyte.
British journal of anaesthesia 1996;76(4):536-43.
1995: Malachy Columb; G Lyons
Determination of the minimum local analgesic concentrations of epidural bupivacaine and lidocaine in labor.
Anesthesia and analgesia 1995;81(4):833-7.
1991: Malachy Columb
Inappropriate heparinization with a cell saver.
British journal of anaesthesia 1991;67(2):223.