Dr. Khalid Nur Md Mahbub

Dr. Khalid Nur Md Mahbub Physician of Anaesthesiology and Critical Care Medicine. It's my medical academic discussion page

𝐐𝐮𝐢𝐳 𝟓𝟔: 𝐃𝐮𝐫𝐢𝐧𝐠 𝐚𝐧 𝐞𝐦𝐞𝐫𝐠𝐞𝐧𝐜𝐲 𝐂𝐞𝐬𝐚𝐫𝐞𝐚𝐧 𝐬𝐞𝐜𝐭𝐢𝐨𝐧 𝐟𝐨𝐫 𝐟𝐞𝐭𝐚𝐥 𝐝𝐢𝐬𝐭𝐫𝐞𝐬𝐬, 𝐭𝐡𝐞 𝐩𝐚𝐭𝐢𝐞𝐧𝐭 𝐢𝐬 𝐩𝐥𝐚𝐜𝐞𝐝 𝐮𝐧𝐝𝐞𝐫 𝐆𝐞𝐧𝐞𝐫𝐚𝐥 𝐀𝐧𝐞𝐬𝐭𝐡𝐞𝐬𝐢𝐚. 𝐅𝐨𝐥𝐥𝐨𝐰...
17/03/2026

𝐐𝐮𝐢𝐳 𝟓𝟔: 𝐃𝐮𝐫𝐢𝐧𝐠 𝐚𝐧 𝐞𝐦𝐞𝐫𝐠𝐞𝐧𝐜𝐲 𝐂𝐞𝐬𝐚𝐫𝐞𝐚𝐧 𝐬𝐞𝐜𝐭𝐢𝐨𝐧 𝐟𝐨𝐫 𝐟𝐞𝐭𝐚𝐥 𝐝𝐢𝐬𝐭𝐫𝐞𝐬𝐬, 𝐭𝐡𝐞 𝐩𝐚𝐭𝐢𝐞𝐧𝐭 𝐢𝐬 𝐩𝐥𝐚𝐜𝐞𝐝 𝐮𝐧𝐝𝐞𝐫 𝐆𝐞𝐧𝐞𝐫𝐚𝐥 𝐀𝐧𝐞𝐬𝐭𝐡𝐞𝐬𝐢𝐚. 𝐅𝐨𝐥𝐥𝐨𝐰𝐢𝐧𝐠 𝐭𝐡𝐞 𝐝𝐞𝐥𝐢𝐯𝐞𝐫𝐲 𝐨𝐟 𝐭𝐡𝐞 𝐢𝐧𝐟𝐚𝐧𝐭, 𝐭𝐡𝐞 𝐨𝐛𝐬𝐭𝐞𝐭𝐫𝐢𝐜𝐢𝐚𝐧 𝐧𝐨𝐭𝐞𝐬 𝐭𝐡𝐚𝐭 𝐭𝐡𝐞 𝐮𝐭𝐞𝐫𝐮𝐬 𝐢𝐬 "𝐛𝐨𝐠𝐠𝐲" 𝐚𝐧𝐝 𝐩𝐨𝐨𝐫𝐥𝐲 𝐜𝐨𝐧𝐭𝐫𝐚𝐜𝐭𝐞𝐝 𝐝𝐞𝐬𝐩𝐢𝐭𝐞 𝐭𝐡𝐞 𝐚𝐝𝐦𝐢𝐧𝐢𝐬𝐭𝐫𝐚𝐭𝐢𝐨𝐧 𝐨𝐟 𝟐𝟎 𝐮𝐧𝐢𝐭𝐬 𝐨𝐟 𝐎𝐱𝐲𝐭𝐨𝐜𝐢𝐧.

𝐖𝐡𝐢𝐜𝐡 𝐚𝐧𝐞𝐬𝐭𝐡𝐞𝐭𝐢𝐜 𝐢𝐧𝐭𝐞𝐫𝐯𝐞𝐧𝐭𝐢𝐨𝐧 𝐢𝐬 𝐦𝐨𝐬𝐭 𝐥𝐢𝐤𝐞𝐥𝐲 𝐜𝐨𝐧𝐭𝐫𝐢𝐛𝐮𝐭𝐢𝐧𝐠 𝐭𝐨 𝐭𝐡𝐢𝐬 𝐮𝐭𝐞𝐫𝐢𝐧𝐞 𝐚𝐭𝐨𝐧𝐲?

𝐀) 𝟎.𝟓 𝐌𝐀𝐂 𝐨𝐟 𝐒𝐞𝐯𝐨𝐟𝐥𝐮𝐫𝐚𝐧𝐞

𝐁) 𝐔𝐬𝐞 𝐨𝐟 𝐏𝐫𝐨𝐩𝐨𝐟𝐨𝐥 𝐟𝐨𝐫 𝐢𝐧𝐝𝐮𝐜𝐭𝐢𝐨𝐧

𝐂) 𝟏.𝟓 𝐌𝐀𝐂 𝐨𝐟 𝐈𝐬𝐨𝐟𝐥𝐮𝐫𝐚𝐧𝐞

𝐃) 𝐀𝐝𝐦𝐢𝐧𝐢𝐬𝐭𝐫𝐚𝐭𝐢𝐨𝐧 𝐨𝐟 𝐒𝐮𝐜𝐜𝐢𝐧𝐲𝐥𝐜𝐡𝐨𝐥𝐢𝐧𝐞

17/03/2026

What is your choice of anaesthetic technique for pediatric circumcisions?

17/03/2026

What is your preferable choice of Cocktails (combination of drug) in Anaesthesia?

16/03/2026

What is your choice of anaesthetic drug and technique for Bronchoscopy in day case procedure ?

15/03/2026

What is your anaesthetic plan for emergency LUCS with recent intake of food?

15/03/2026

Which anaesthetic drugs increases Intra-ocular pressure (IOP)?

𝐇𝐨𝐰 𝐲𝐨𝐮 𝐜𝐚𝐧 𝐦𝐚𝐧𝐚𝐠𝐞 𝐫𝐚𝐢𝐬𝐞𝐝 𝐛𝐥𝐨𝐨𝐝 𝐩𝐫𝐞𝐬𝐬𝐮𝐫𝐞 𝐝𝐮𝐫𝐢𝐧𝐠 𝐥𝐚𝐩𝐚𝐫𝐨𝐬𝐜𝐨𝐩𝐢𝐜 𝐩𝐫𝐨𝐜𝐞𝐝𝐮𝐫𝐞 𝐚𝐟𝐭𝐞𝐫 𝐢𝐧𝐭𝐫𝐚-𝐚𝐛𝐝𝐨𝐦𝐢𝐧𝐚𝐥 𝐠𝐚𝐬 𝐢𝐧𝐟𝐥𝐚𝐭𝐢𝐨𝐧?Managing hype...
14/03/2026

𝐇𝐨𝐰 𝐲𝐨𝐮 𝐜𝐚𝐧 𝐦𝐚𝐧𝐚𝐠𝐞 𝐫𝐚𝐢𝐬𝐞𝐝 𝐛𝐥𝐨𝐨𝐝 𝐩𝐫𝐞𝐬𝐬𝐮𝐫𝐞 𝐝𝐮𝐫𝐢𝐧𝐠 𝐥𝐚𝐩𝐚𝐫𝐨𝐬𝐜𝐨𝐩𝐢𝐜 𝐩𝐫𝐨𝐜𝐞𝐝𝐮𝐫𝐞 𝐚𝐟𝐭𝐞𝐫 𝐢𝐧𝐭𝐫𝐚-𝐚𝐛𝐝𝐨𝐦𝐢𝐧𝐚𝐥 𝐠𝐚𝐬 𝐢𝐧𝐟𝐥𝐚𝐭𝐢𝐨𝐧?

Managing hypertension during a laparoscopic procedure is a common challenge for anesthesia providers. When the abdomen is insufflated with CO2 (creating a pneumoperitoneum), several physiological triggers cause a spike in blood pressure.

Here is how we typically manage this in a clinical setting:

𝟏. 𝐔𝐧𝐝𝐞𝐫𝐬𝐭𝐚𝐧𝐝𝐢𝐧𝐠 𝐭𝐡𝐞 "𝐖𝐡𝐲":
Before treating, it's vital to recognize the two main culprits:

* Mechanical: Increased intra-abdominal pressure (IAP) compresses the abdominal aorta and increases systemic vascular resistance (SVR).

* Neurohumoral: The stretching of the peritoneum and the absorption of CO2 (hypercapnia) trigger the sympathetic nervous system and the renin-angiotensin-aldosterone system, releasing catecholamines.

𝟐. 𝐈𝐦𝐦𝐞𝐝𝐢𝐚𝐭𝐞 𝐏𝐡𝐚𝐫𝐦𝐚𝐜𝐨𝐥𝐨𝐠𝐢𝐜𝐚𝐥 𝐈𝐧𝐭𝐞𝐫𝐯𝐞𝐧𝐭𝐢𝐨𝐧𝐬:

If the blood pressure remains elevated after ensuring adequate anesthetic depth, we use fast-acting agents:

𝐕𝐚𝐬𝐨𝐝𝐢𝐥𝐚𝐭𝐨𝐫𝐬:
* Nitroglycerin or Sodium Nitroprusside: Excellent for rapid titration to decrease SVR.

* Nicardipine: A calcium channel blocker often favored for its predictable effect on arterial resistance.

𝐁𝐞𝐭𝐚-𝐁𝐥𝐨𝐜𝐤𝐞𝐫𝐬:
* Esmolol: The "go-to" due to its ultra-short half-life (approx. 9 minutes). It manages both tachycardia and hypertension effectively.

* Labetalol: Useful if a longer duration of action is required.

𝐎𝐩𝐢𝐨𝐢𝐝𝐬:
* Increasing the dose of Remifentanil or Fentanyl can blunt the sympathetic response to the surgical stimulus.

𝟑. 𝐏𝐫𝐨𝐜𝐞𝐝𝐮𝐫𝐚𝐥 𝐀𝐝𝐣𝐮𝐬𝐭𝐦𝐞𝐧𝐭𝐬:

Sometimes the solution is mechanical rather than chemical:

* Reduce Insufflation Pressure: Standard pressure is usually 12–15 mmHg. If the patient is unstable, requesting the surgeon to drop to 10 mmHg (low-pressure pneumoperitoneum) can significantly reduce SVR.

* Ventilation Management: Increase the minute ventilation (usually by increasing respiratory rate) to wash out the absorbed CO2 and treat the underlying hypercapnic acidosis.

* Positioning: Extreme Trendelenburg (head down) can worsen hypertension and intracranial pressure. Leveling the table slightly can help.

𝐍𝐨𝐭𝐞 𝐨𝐧 𝐂𝐚𝐮𝐭𝐢𝐨𝐧:

While managing high pressure is important, one must be wary of sudden hypotension when the gas is released (desufflation) at the end of the procedure. The sudden drop in SVR can cause the pressure to bottom out if the patient is still heavily covered by long-acting antihypertensives.

14/03/2026

𝐖𝐡𝐚𝐭 𝐢𝐬 𝐚𝐝𝐯𝐚𝐧𝐭𝐚𝐠𝐞 𝐨𝐟 𝐮𝐬𝐢𝐧𝐠 𝐝𝐞𝐱𝐚𝐦𝐞𝐭𝐡𝐚𝐬𝐨𝐧𝐞 𝐢𝐧 𝐏𝐞𝐝𝐢𝐚𝐭𝐫𝐢𝐜 𝐩𝐚𝐭𝐢𝐞𝐧𝐭 𝐝𝐮𝐫𝐢𝐧𝐠 𝐆𝐞𝐧𝐞𝐫𝐚𝐥 𝐀𝐧𝐚𝐞𝐬𝐭𝐡𝐞𝐬𝐢𝐚?

When children undergo general anesthesia, their physiology reacts differently than adults, making certain postoperative complications more likely.

Here are the primary advantages of using dexamethasone in pediatric patients:

1. Prevention of Postoperative Nausea and Vomiting (PONV):

Children are significantly more prone to vomiting after surgery than adults (sometimes referred to as POV in pediatrics). Dexamethasone is one of the most effective and cost-efficient antiemetics available.

* Synergy: It works exceptionally well when combined with other agents like Ondansetron.

* Duration: Because it has a long biological half-life (36–72 hours), a single dose provides coverage well into the first day at home.

2. Reduction of Post-Intubation Croup:

Pediatric airways are narrow and the mucosal lining is delicate. The presence of an endotracheal tube can cause subglottic edema (swelling).

* Anti-inflammatory Action: Dexamethasone reduces this swelling, significantly decreasing the risk of post-extubation stridor and the "barking" cough known as croup.

* Airway Safety: This is particularly vital in surgeries involving the airway, such as tonsillectomies or bronchoscopies.

3. Improved Pain Management:

While not a primary analgesic like morphine, dexamethasone has an "opioid-sparing" effect.

* Mechanism: By inhibiting phospholipase and reducing the release of inflammatory mediators (prostaglandins), it lessens the overall pain response.

* Recovery: Kids who receive it often require fewer rescue opioids in the PACU (Post-Anesthesia Care Unit), leading to less sedation and faster discharge.

4. Faster "Return to Normal":

For common pediatric procedures like tonsillectomies, dexamethasone has been shown to:

* Improve Oral Intake: Kids start drinking fluids sooner because their throats are less swollen and painful.

* Reduced Readmission: Lower rates of dehydration and uncontrolled pain mean fewer late-night trips back to the ER.

13/03/2026

How does Clonidine reduce blood pressure?

13/03/2026

What is advantage of using dexamethasone in Pediatric patient during General Anaesthesia?

13/03/2026

How you can manage raised blood pressure during laparoscopic procedure after intra-abdominal gas inflation?

Address

Dhaka

Website

Alerts

Be the first to know and let us send you an email when Dr. Khalid Nur Md Mahbub posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Share

Share on Facebook Share on Twitter Share on LinkedIn
Share on Pinterest Share on Reddit Share via Email
Share on WhatsApp Share on Instagram Share on Telegram