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List of works by Malachy Columb

A comparison of a Neuropen monofilament and ethyl chloride for assessing loss of touch sensation during combined spinal-epidural anaesthesia for caesarean section

scientific article published on 15 September 2010

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

scientific article published on February 2007

A randomised, single-blind technical study comparing the ultrasonic visibility of smooth-surfaced and textured needles in a soft embalmed cadaver model

scientific article published on 5 November 2014

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

scientific article published on 14 September 2011

A reply

An isobolographic analysis of diamorphine and levobupivacaine for epidural analgesia in early labour

scientific article published on 15 February 2007

Assessment of coagulation in the obstetric population using ROTEM® thromboelastometry

scientific article published on 10 August 2011

Cardiac index in term pregnant women in the sitting, lateral, and supine positions: an observational, crossover study

scientific article

Cardiopulmonary exercise testing and length of stay in patients undergoing major surgery.

scientific article published in May 2011

Cardiorespiratory interaction

scientific article published on 01 June 2015

Chlorhexidine spray versus single use sachets for skin preparation before regional nerve blockade for elective caesarean section: an effectiveness, time and cost study

scientific article published in July 2005

Combined spinal epidural vs epidural labour analgesia: does initial intrathecal analgesia reduce the subsequent minimum local analgesic concentration of epidural bupivacaine?

scientific article

Comparison of epidural ropivacaine and bupivacaine in combination with sufentanil for labor

scientific article published in January 2000

Comparison of superior vena caval and femoroiliac venous pressure measurements during normal and inverse ratio ventilation

scientific article published on 01 January 2001

Confidence with confidence intervals

scientific article published in July 2005

Data collection in the emergency setting.

scientific article

Design and internal validation of an obstetric early warning score: secondary analysis of the Intensive Care National Audit and Research Centre Case Mix Programme database

scientific article

Determination of the EC50 of levobupivacaine for femoral and sciatic perineural infusion after total knee arthroplasty.

scientific article

Determination of the minimum local analgesic concentration of epidural chloroprocaine hydrochloride in labor

scientific article published on 01 January 1997

Determination of the minimum local analgesic concentrations of epidural bupivacaine and lidocaine in labor

scientific article published in October 1995

Does a higher positive end expiratory pressure decrease mortality in acute respiratory distress syndrome? A systematic review and meta-analysis.

scientific article published on May 2009

Does the baricity of bupivacaine influence intrathecal spread in the prolonged sitting position before elective cesarean delivery? A prospective randomized controlled study

scientific article published on 2 September 2011

Dose-dependent reduction of the minimum local analgesic concentration of bupivacaine by sufentanil for epidural analgesia in labor

scientific article published in September 1998

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

scientific article published in April 2001

Effect of epidural epinephrine on the minimum local analgesic concentration of epidural bupivacaine in labor

scientific article published in May 2002

Effect of epidural volume extension on dose requirement of intrathecal hyperbaric bupivacaine at Caesarean section

scientific article published on 22 July 2005

Effect of i.v. phenylephrine or ephedrine on the ED50 of intrathecal bupivacaine with fentanyl for caesarean section.

scientific article published on 2 May 2009

Effect of intrathecal diamorphine on block height during spinal anaesthesia for Caesarean section with bupivacaine.

scientific article

Effect of intravenous versus epidural fentanyl on the minimum local analgesic concentration of epidural bupivacaine in labor

scientific article published in July 2000

Effect of propofol and thiopentone on free radical mediated oxidative stress of the erythrocyte

scientific article published in April 1996

Effect of sex and pregnancy on the potency of intrathecal bupivacaine: determination of ED₅₀ for motor block with the up-down sequential allocation method

scientific article published in April 2011

Effect of sufentanil on minimum local analgesic concentrations of epidural bupivacaine, ropivacaine and levobupivacaine in nullipara in early labour

scientific article published on 27 November 2006

Effect of table tilt on ligamentum flavum length measured using ultrasonography in pregnant women*.

scientific article published on 22 October 2012

Epidural anaesthesia for pain relief in labour

scientific article published in August 2003

Epidural test dose with levobupivacaine and ropivacaine: determination of ED(50) motor block after spinal administration

scientific article published on 19 April 2004

Epidural volume extension in combined spinal epidural anaesthesia for elective caesarean section: a randomised controlled trial

scientific article published on 18 March 2011

Equivalent dose of ephedrine and phenylephrine in the prevention of post-spinal hypotension in Caesarean section

scientific article published on 25 November 2005

Estimation of the minimum motor blocking potency ratio for intrathecal bupivacaine and lidocaine

scientific article published on 22 May 2008

Extrapolation and interpretation

scientific article published in May 2006

Failed tracheal intubation in obstetric anaesthesia: 2 yr national case-control study in the UK.

scientific article

Failure to predict difficult tracheal intubation for emergency caesarean section

scientific article published in November 2010

Fetal effects of combined spinal-epidural vs epidural labour analgesia: a prospective, randomised double-blind study

scientific article published in May 2014

Genetic variability of the mu-opioid receptor influences intrathecal fentanyl analgesia requirements in laboring women

scientific article published on 09 April 2008

How UK obstetric anaesthetists assess neuraxial anaesthesia for caesarean delivery: national surveys of practice conducted in 2004 and 2010.

scientific article published on 3 September 2013

Hyaluronidase reduces local anaesthetic volumes for sub-Tenon's anaesthesia

scientific article published on 24 September 2007

INAPPROPRIATE HEPARINIZATION WITH A CELL SAVER

scientific article published on 01 August 1991

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

scientific article published in October 2008

Levobupivacaine for epidural analgesia in labor: the sparing effect of epidural fentanyl

scientific article

Maternal cardiac output changes after crystalloid or colloid coload following spinal anesthesia for elective cesarean delivery: a randomized controlled trial

scientific article

Minimally- and non-invasive assessment of maternal cardiac output: go with the flow!

scientific article

Minimum analgesic dose of epidural sufentanil for first-stage labor analgesia: a comparison between spontaneous and prostaglandin-induced labors in nulliparous women.

scientific article published in May 2001

Minimum analgesic doses of fentanyl and sufentanil for epidural analgesia in the first stage of labor

scientific article published in April 2003

Minimum dose of intrathecal diamorphine required to prevent intraoperative supplementation of spinal anaesthesia for Caesarean section

scientific article published in September 2003

Minimum effective dose of spinal ropivacaine with and without fentanyl for postpartum tubal ligation.

scientific article published on 15 September 2010

Minimum local analgesic concentration of extradural bupivacaine increases with progression of labour.

scientific article

Minimum local analgesic dose of intrathecal bupivacaine in labor and the effect of intrathecal fentanyl

scientific article

Minimum local analgesic doses of ropivacaine, levobupivacaine, and bupivacaine for intrathecal labor analgesia

scientific article published in March 2005

Moderate agreement for cardiac output monitors

scientific article published on 01 January 2015

Moles, weights and potencies: freedom of expression!

scientific article published in July 2005

Mortality of medical oncological patients admitted to intensive care

scientific article published on 01 May 1999

Motor blocking minimum local anesthetic concentrations of bupivacaine, levobupivacaine, and ropivacaine in labor

scientific article

Neuraxial block, death and serious cardiovascular morbidity in patients in the POISE trial: propensities, probabilities, and possibilities

scientific article published in September 2013

Obese parturients have lower epidural local anaesthetic requirements for analgesia in labour

scientific article published on 25 November 2005

One-sided P values, repeated measures analysis of variance: two sides of the same story!

scientific article published in March 1997

Outcome after cardiac arrest in adults in UK hospitals: effect of the 1997 guidelines

scientific article published in October 2000

Potencies and probabilities: one-sided P values suggest a one-sided story!

scientific article

Potency, impotency, and importance!

scientific article published in September 2000

Preventing spinal hypotension during Caesarean delivery: what is the latest?

scientific article published on 30 July 2014

Programmes, guidelines and protocols - the antithesis of precision medicine?

scientific article published in October 2015

Reflections on motor blocking minimum local anesthetic concentrations

scientific article published in June 2007

Relative analgesic potencies of levobupivacaine and ropivacaine for epidural analgesia in labor

scientific article published in December 2003

Relative analgesic potencies of ropivacaine and bupivacaine for epidural analgesia in labor: implications for therapeutic indexes

scientific article published in April 1999

Relative potencies of bupivacaine and ropivacaine for analgesia in labour

scientific article published in March 1999

Research on neuroanaesthesia and real outcomes

scientific article

Ropivacaine and bupivacaine: concentrating on dosing!

scientific article published in May 2003

Sensory testing of spinal anaesthesia for caesarean section: differential block and variability

scientific article published on 2 June 2010

Spinal haematoma after epidural puncture ⬇️

scientific article published on April 1, 2012

Suprasternal Doppler estimation of cardiac output: standard versus sequential combined spinal epidural anesthesia for cesarean delivery

scientific article published in October 2006

The dose-dependent effects of phenylephrine for elective cesarean delivery under spinal anesthesia

scientific article

The effect of epidural fentanyl on the minimum local analgesic concentration of epidural chloroprocaine in labor

scientific article

The effect of posture and baricity on the spread of intrathecal bupivacaine for elective cesarean delivery

scientific article

The effect of serial in vitro haemodilution with maternal cerebrospinal fluid and crystalloid on thromboelastographic (TEG(®) ) blood coagulation parameters, and the implications for epidural blood patching

scientific article published on 27 November 2014

The effects of crystalloid and colloid preload on cardiac output in the parturient undergoing planned cesarean delivery under spinal anesthesia: a randomized trial

scientific article published in December 2009

The relative motor blocking potencies of bupivacaine and levobupivacaine in labor

scientific article published in November 2003

The relative motor blocking potencies of epidural bupivacaine and ropivacaine in labor

scientific article published in July 2002

The relative motor blocking potencies of intrathecal ropivacaine: effects of concentration

scientific article

The relative potencies for motor block after intrathecal ropivacaine, levobupivacaine, and bupivacaine

scientific article published in April 2007

The site of action of epidural fentanyl infusions in the presence of local anesthetics: a minimum local analgesic concentration infusion study in nulliparous labor

scientific article published in November 2003

Thermodilution cardiac output during haemodialysis

scientific article published on 01 January 2013

Thromboelastography identifies sex-related differences in coagulation

scientific article published in November 2000

Two goals, one shot at survival

scientific article published on 01 July 2014

Ultrasound reduces the minimum effective local anaesthetic volume compared with peripheral nerve stimulation for interscalene block

scientific article published on 8 November 2010

Up-and-down allocation

scientific article published in March 2002

Up-down determination of the 90% effective dose of phenylephrine for the treatment of spinal anesthesia-induced hypotension in parturients undergoing cesarean delivery

scientific article published on 12 November 2009

Up-down sequential allocation and regional anaesthesia

scientific article

Up-down studies: responding to dosing!

scientific article

Use of thromboelastography to guide thromboprophylaxis after caesarean section

scientific article

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

scientific article published on 20 June 2008

When comparing apples and oranges is all bananas!

scientific article published in July 2013

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