MedMal Confidential # 03 - US Healthcare's Dirty Little Secret

What people get wrong about sedation

Insider Information to Help You Tilt the Scales āš–

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Hey šŸ‘‹- David here!

Happy May 1st to you and the other 6,505 InsidersĀ reading this.

Hereā€™s what weā€™ll be uncovering in this edition of MedMal Confidential ā€¦

Todayā€™s ā€˜Insider Informationā€™ At-A-Glance

Read Time: 2.6 minutes

šŸ§ Musings: The 5 levels of sedation (and why they matter)

āš–Litigation: Blood Pressure Limbo - ā€œHow low can you go?ā€

šŸ“°News: US Healthcareā€™s dirty little secret

Read on for your insider info ā€¦

šŸ§ Musings: The 5 levels of sedation (and why they matter)

When most people think of anesthesia, they think of it as a binary:

Option A: wide awake

Option B: snoring

But the truth is, there are levels to it:

  1. Unsedated

  2. Minimal sedation (anxiolysis)

  3. Moderate sedation/analgesia (conscious sedation)

  4. Deep sedation/analgesia

  5. General anesthesia

Thereā€™s also numerous clinical factors being evaluated:

  1. Responsiveness

  2. Airway

  3. Spontaneous ventilation

  4. Cardiovascular function

Why does this matter?

Because complications arise from oversedation and airway compromise.

And some healthcare workers are much better trained to deal with it than others.

Take a look at the intervention required for different levels of sedation:

Continuum of Depth of Sedation: Definition of General Anesthesia and Levels of Sedation

The Insider Info

  • Anesthesia is a continuum, not a binary. And patients can reside at different levels of sedation at different points of a procedure.

    • The same medications may achieve drastically different results when used across different patients, illnesses, and ages,

    • ā€œI always give this doseā€ and ā€œMy standard dose isā€ are obsolete concepts

  • The intention to achieve a certain level is only half the equation

    • The final achieved level of sedation is more important

  • Countless medical malpractice lawsuits stem from a failure to monitor and failure to rescue patients that go ā€œtoo deepā€ on the sedation continuum

    • A team administering moderate sedation must have the skill and knowledge to ā€œrescueā€ an oversedated patientā€¦

      • Unfortunately, they often donā€™t.

    • A team administering moderate sedation must dose medication appropriately, be vigilant, and document accordinglyā€¦

      • Unfortunately, they often donā€™t.

Excessive sedation by an undisciplined team may lead to catastrophic patient outcomes, opening that team up to medicolegal liability.

āš–Litigation: Blood pressure limbo - ā€œHow low can you go?ā€

Letā€™s start with some blood pressure facts:

  1. Blood pressure is a core ā€œvital signā€.

  2. Blood pressure is typically measured non-invasively (with a blood pressure cuff) or invasively (with an arterial line).

  3. Blood pressure is recorded as systolic over diastolic and as mean arterial pressure (MAP).

  4. The body, and especially vital organs, are perfused in accordance with blood pressure

ā€œIntraoperative hypotension during non-cardiac surgery is common and associated with increased 30-day major adverse cardiac or cerebrovascular events. This observation is magnified with increased hypotension severityā€

Dr. Anne Gregory, et all (Anesthesia-Analgesia 2021)

Low Blood Pressure = Low Perfusion

  1. Low perfusion to brain = Stroke

  2. Low perfusion to heart = Heart attack

  3. Low perfusion to kidney = Kidney injury

  4. Low perfusion to the gut = Dead bowel

In patients undergoing noncardiac surgery, a MAP <55mm Hg was associated with a duration-dependent increase in odds of postoperative delirium. This association was magnified in patients who underwent surgery of long duration.

Dr. Matthias Eikermann, et al (Anesthesia-Analgesia 2022)

The Insider Info

  • Intraoperative hypotension is treatable and preventable

  • Altered mentation post-operation may be due to intraoperative hypotension, and should be examined

  • Lack of timely and successful blood pressure intervention constitutes a breach in standard of care

Hypotension is a medical emergency, and the anesthesia team is responsible for intervening accordingly to reverse it.

šŸ“°News: US Healthcare Climate Change Failures

Healthcare generates an obscene amount of waste

In the US, healthcare accounts for 8.5% of its own greenhouse gas emissions, and 4.5% of the worldā€™s emissions

And while US hospitals pay lip service to combating climate change, most barely manage to track their own emissions, let alone reduce them.

Where feasible, favoring the safe and environmentally sound treatment of hazardous health care wastes, such as autoclaving, microwaving, steaming, and chemical treating, should be used over medical waste incineration

World Health Organization

But the biggest obstacle to the above ā€¦

The policies and procedures mandated by The Joint Commission, which accredits 80% of US hospitals

The Insider Info

  • In anesthesiology, the major source of emissions is the volatile anesthetic Desflurane

  • There is a growing push to increase use of total intravenous anesthesia (or TIVA) via Propofol for both anesthetic and environmental purposes

    • TIVA administration is typically paired with use of the Bispectral Index (BIS) monitor to ensure sufficient depth of anesthesia, and to avoid intra-operative awareness

The US healthcare system has a long way to go in order to comply with the environmental mandates it allegedly supports.

In the next issue of MedMal Confidential ā€¦

  • Penicillin Allergy Hyperbole

  • Had a baby ā€¦ now paralyzed?

  • Iā€™d rather be awake for my colonoscopy

MedMal Confidential #03 Takeaways

Thatā€™s all for this issue.

What should I cover in the next one? Iā€™d love to hear your thoughts.

Until then, letā€™s continue to save healthcare ā€¦ one legal matter at a time.

-David

P.S. Need help with an anesthesia medical malpractice matter? Click here to book a free consultation with me.

David Gutman, MD, MBA
Anesthesiology Medical Expert Witness

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