Obsgynaecritcare

Roger Browning - Anaesthetist
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A podcast discussing critical care, anaesthesia and pain medicine in obstetrics and gynaecology

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    152 Continuous non invasive blood pressure monitoring.

    Hypothetical Case: You finish injecting the spinal anaesthetic for your patient who has come for an urgent caesarean section. She has pre-eclampsia and her blood pressure just before you started was 180/100. Just after lying down she starts vomiting and unfortunately the non invasive blood pressure cuff is going up and down but not giving you a number – she is shaking and can’t stop moving around. Is she vomiting because of hypotension, should you give her a bolus of phenylephrine? What if she is actually still hypertensive – you don’t want to push her BP over 200. Wouldn’t it be great if you had a beat to beat continuous display of her BP – maybe you should have placed an arterial line before starting. Are there any other options that might have been helpful??? Hi everyone, This week I am joined by John to discuss continuous non-invasive blood pressure monitoring. Many of these technologies have actually been around for a number of years now, but despite this don’t seem to be in commonplace usage. There does seem to be a recent renewed interest in re-evaluating these technologies. How do these technologies work? How accurate are they? Have there been any improvements? What are the economics and costs? Thanks John for all your hard work researching this topic! Methods Arterial Applanation Tonometry Volume Clamp Method Photoplethysmography (PPG): Origins to Modern Applications in Wearable Technology References Enhancing Patient Safety with Continuous Blood Pressure Monitoring – APSF (Anesthesia Patient Safety Foundation Newsletter 2026)

    41 Min.

  2. 10. Juni

    151 Obstetrics in the ANZCA final exam part 1

    Declan and Sarah discuss strategies for obstetric questions in the ANZCA final exam.

    52 Min.

  3. 16. März

    150 Tilting the tables: a discussion of the evidence for routine table tilt during elective caesarean

    Join us as Declan and Roger discuss the evidence for routine table tilt during elective caesarean section.   Has this changed your practice? What is your opinion on this topic? We’d love to read your emails.  As mentioned in the episode we would love to do a future episode on Q&A so if you have any questions on any topic you would like us to tackle please send them in! Send your comments / questions to: obsgynaecritcare@gmail.com References Hughes EJ, Price AN, McCabe L, Hiscocks S, Waite L, Green E, Hutter J, Pegoretti K, Cordero‐Grande L, Edwards AD, Hajnal JV. The effect of maternal position on venous return for pregnant women during MRI. NMR in Biomedicine. 2021 Apr;34(4):e4475.  Couper S, Clark A, Thompson JM, Flouri D, Aughwane R, David AL, Melbourne A, Mirjalili A, Stone PR. The effects of maternal position, in late gestation pregnancy, on placental blood flow and oxygenation: an MRI study. The Journal of physiology. 2021 Mar;599(6):1901-15.  Higuchi H, Takagi S, Zhang K, Furui I, Ozaki M. Effect of lateral tilt angle on the volume of the abdominal aorta and inferior vena cava in pregnant and nonpregnant women determined by magnetic resonance imaging. Anesthesiology. 2015;122(2):286-293.  Fujita N, Higuchi H, Sakuma S, Takagi S, Latif MA, Ozaki M. Effect of right-lateral versus left-lateral tilt position on compression of the inferior vena cava in pregnant women determined by magnetic resonance imaging. Anesthesia & Analgesia. 2019 Jun 1;128(6):1217-22.  Aust H, Koehler S, Kuehnert M, Werdehausen R, Schleppers A, Reese PC, Reyher C. Guideline-recommended 15° left lateral table tilt during cesarean section in regional anesthesia—practical aspects: an observational study. Int J Obstet Anesth. 2016 Aug;27:47-53.  Crawford JS, Burton M, Davies P. Time and lateral tilt at Caesarean section. Br J Anaesth. 1972 May;44(5):477-84.  Lee AJ, Landau R, Mattingly JL, Meenan MM, Corradini B, Wang S, Goodman SR, Smiley RM. Left lateral table tilt for elective cesarean delivery under spinal anesthesia has no effect on neonatal acid–base status: a randomized controlled trial. Anesthesiology. 2017;127(2):241‑249.  Jackson KL, Smiley RM, Lee AJ. Neonatal acid-base status before and after discontinuing routine left uterine displacement for elective cesarean delivery: a retrospective cohort study (2014–2017). Int J Obstet Anesth. 2025;62:104350.  You need to add a widget, row, or prebuilt layout before you’ll see anything here. 🙂

    46 Min.

  4. 23.12.2025

    149 Rheumatic heart disease in pregnancy part 2

    Hypothetical Case: You are called to MFAU to see a woman who has just arrived via RFDS (royal flying doctor service) She is a 23 y.o indigenous woman from the Kimberley in the far north of WA. She is 33/40 G1P0 complex social history and possible substance use disorders She has PPROM (pre term premature rupture of membranes) and suspected early chorioamniotis and has been given antibiotics / nifedipine and a few litres of crystalloid fluid during the flight. The obstetric team have evaluated her – she has small for gestational age baby, and is complaining of dyspnoea. Her observations are: HR 110, NIBP 124/60, SpO2 91% on room air, T38.1 Her bloods are relatively normal except for an unexpected high BNP. You do a focussed bedside transthoracic ECHO and unexpectedly see on the PLAX (parasternal long axis view) a classical hockey stick / domed appearance of severe mitral stenosis. She also has Pulmonary B-lines (indicating pulmonary oedema) and a flattened interventricular septum, very large atrium & doppler through the tricuspid valve confirms severe pulmonary hypertension.  The team decides she would be better cared for in a hospital with cardiothoracic services – however she suddenly becomes more breathless – SpO2 86% on oxygen, NIBP 80/40 HR 125, and there is a prolonged foetal bradycardia………………… Hi Everyone, This week I am joined by Dr Clinton Ellis, a cardiothoracic anaesthetist based in Sir Charles Gairdner Hospital, and Graeme. We discuss the management of rheumatic heart disease in pregnancy – a challenging condition which unfortunately is still relatively prevalent amongst indigenous women here in Australia. This was a wide ranging discussion so I have decided to split this into two 40min episodes. Even though we talk for over 80min I feel like we just scratched the surface on this! If you have any questions or comments send them through – I will try and get Clinton to answer them. Finally a huge shout out and thank you to the Darwin based authors of the ANZCA 2023 Blue Book article on this condition: Namrata Jhummon-Mahadnac, Matthew Mathieson, and Akshay Hungenahally! See the link to their well written narrative review on this topic below: References Australasian Anaesthesia 2023 (aka the Blue Book) – see page 39 “Obstetric anaesthesia in rheumatic heart disease – a unique perspective from the Top End” Oral vaccine could prevent rheumatic heart disease in NZ VIDEO: Researchers close to a vaccine for strep-A and rheumatic heart disease

    44 Min.

  5. 17.12.2025

    148 Rheumatic heart disease in pregnancy part 1

    Hypothetical Case: You are called to MFAU to see a woman who has just arrived via RFDS (royal flying doctor service) She is a 23 y.o indigenous woman from the Kimberley in the far north of WA. She is 33/40 G1P0 complex social history and possible substance use disorders She has PPROM (pre term premature rupture of membranes) and suspected early chorioamniotis and has been given antibiotics / nifedipine and a few litres of crystalloid fluid during the flight. The obstetric team have evaluated her – she has small for gestational age baby, and is complaining of dyspnoea. Her observations are: HR 110, NIBP 124/60, SpO2 91% on room air, T38.1 Her bloods are relatively normal except for an unexpected high BNP. You do a focussed bedside transthoracic ECHO and unexpectedly see on the PLAX (parasternal long axis view) a classical hockey stick / domed appearance of severe mitral stenosis. She also has Pulmonary B-lines (indicating pulmonary oedema) and a flattened interventricular septum, very large atrium & doppler through the tricuspid valve confirms severe pulmonary hypertension.  The team decides she would be better cared for in a hospital with cardiothoracic services – however she suddenly becomes more breathless – SpO2 86% on oxygen, NIBP 80/40 HR 125, and there is a prolonged foetal bradycardia………………… Hi Everyone, This week I am joined by Dr Clinton Ellis, a cardiothoracic anaesthetist based in Sir Charles Gairdner Hospital, and Graeme. We discuss the management of rheumatic heart disease in pregnancy – a challenging condition which unfortunately is still relatively prevalent amongst indigenous women here in Australia. This was a wide ranging discussion so I have decided to split this into two 40min episodes. Even though we talk for over 80min I feel like we just scratched the surface on this! If you have any questions or comments send them through – I will try and get Clinton to answer them. Finally a huge shout out and thank you to the Darwin based authors of the ANZCA 2023 Blue Book article on this condition: Namrata Jhummon-Mahadnac, Matthew Mathieson, and Akshay Hungenahally! See the link to their well written narrative review on this topic below: References Australasian Anaesthesia 2023 (aka the Blue Book) – see page 39 “Obstetric anaesthesia in rheumatic heart disease – a unique perspective from the Top End” Oral vaccine could prevent rheumatic heart disease in NZ VIDEO: Researchers close to a vaccine for strep-A and rheumatic heart disease

    44 Min.

  6. 08.12.2025

    147 Pain during caesarean a discussion with Matt

    Hi everyone, Pain during caesarean is a very challenging and distressing event – for the patient, their partner, the anaesthetist and all the staff present in theatre. This week we catch up with Matt Rucklidge, who recently gave a presentation on this topic at the obstetric anaesthesia meeting in London. We discuss why this has become a “hot topic” in the anaesthesia world in recent times, what is the true incidence, and many other aspects of this difficult topic. References The following is a first person narrative story from a patient with commentary from an uninvolved obstetric anaesthetist. Disappointingly from elselvier this article is unfortunately not open access but is well worth a read: Stanford SE, Bogod DG. Failure of communication: a patient’s story. Int J Obstet Anesth. 2016 Dec;28:70-75. doi: 10.1016/j.ijoa.2016.08.001. Epub 2016 Aug 23. PMID: 27717633. Podcast: The Retrievals Season 2 from NY Times Prevention and management of intraoperative pain during Caesarean sectionOrbach-Zinger, S. et al.BJA Education, Volume 25, Issue 2, 50 – 56

    56 Min.

  7. 03.10.2025

    146 Current challenges and research directions in sepsis

    Hi everyone, Sepsis is an important cause of mortality and morbidity in our patients. It is common but can be difficult to diagnose, challenging to manage and sometimes downright scary. After being inspired by listening to an episode from “The Critical Care Commute Podcast” (with Dr Mervyn Singer a UK intensivist involved in sepsis 3.0), Graeme and I sit down to discuss some of these thought provoking areas of sepsis which are controversial and are still actively being researched. Thanks again Graeme! References The Critical Care Commute Podcast

    44 Min.

  8. 18.09.2025

    145 ERAS a discussion with Dr Jen Kielty

    Hi Everyone, This week I am joined by Dr Jen Kielty to discuss ERAS – Enhanced Recovery After Surgery. Jen has been helping us with the introduction of ERAS here at our hospital and also shares her experience with the introduction of ERAS into obstetrics at two hospitals back in Ireland. What is ERAS? Why is ERAS good for patients and good for the hospital? What are the components of an ERAS program? A big shout out to Dr Chloe Ayres here at KEMH as the champion for this initiative. Chloe has done a huge amount of work to make this a success here in our gynae-oncology patients and without her enthusiasm it probably would never have happened. Another big acknowledgement to my wife Andrea, who as the inaugural ERAS nurse has also had to do an amazing amount of work with staff and patients to make it a success! References ERAS Society guidelines for Obstetrics and Gynaecology

    39 Min.
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A podcast discussing critical care, anaesthesia and pain medicine in obstetrics and gynaecology

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  • Erstellt von
    Roger Browning - Anaesthetist
  • Jahre aktiv
    2017 - 2026
  • Folgen
    152
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    Unbedenklich
  • Sendungswebsite
    Obsgynaecritcare

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