Pulmonology
Physician discussions on respiratory conditions, critical care, interstitial lung disease, and pulmonary procedures.
Recent Discussions
How do you evaluate a suspicious, but negative pleural effusion when working up NSCLC and SCLC?
Good question and this came up in my practice very recently (NSCLC). Historically, clinical trials have required 2 negative taps for entry. The patient I had in clinic appeared to have a node negative, LLL lesion with a ton of atelectasis and had a bloody tap that was negative for malignancy. It did...
Do shorter door-to-balloon (D2B) times impact outcomes in STEMI, if it's already less than 90 minutes, and to what degree (i.e., 30 vs 60 minutes would have a more significant impact)?
No. Shorter door-to-balloon times have not been shown to improve survival or outcomes in STEMI. The reason is that the other variable is the time from the onset of chest pain to presentation to a medical facility. This time is beyond the control of the medical system. For example, a patient waits 4 ...
How would you approach failure of maintenance therapy (Azathioprine) for PR3 positive, c-ANCA positive, pulmonary–renal vasculitis previously induced with cyclophosphamide, with a history of anaphylaxis to rituximab?
This is a challenging clinical situation with several appropriate treatment approaches as follows: Desensitization to rituximab - this would need to be done in the ICU but is effective for patients who are willing to undergo the process for whom other maintenance regimen options are suboptimal. Avac...
How long do you continue rituximab in patients with ANCA associated vasculitis who have achieved remission?
My approach is to use rituximab every 6 months for remission maintenance for at least 2 years. Past that point, a lot depends on the individual patient circumstances. For patients who have already suffered substantial organ damage, for whom another flare could be catastrophic (e.g., a patient with s...
Can tacrolimus in a transplant patient be used during radiation and concurrent chemoradiation?
Patients with solid organ transplants present unique challenges in management and risk of infectious complications, among others. The short answer is that tacrolimus can be used in the lowest dose possible, along with concurrent chemoradiation and close coordination with the transplant team. If the ...
Do you routinely evaluate for PE if a DVT is found?
I would not routinely evaluate for PE in a patient with new DVT, unless they had symptoms or signs suggestive of PE diagnosis. But I would usually evaluate for DVT in a new PE patient. This is in case the patient develops leg swelling or pain in the future and DVT is found then. It's difficult, oc...
What would prompt you to consider a sleep study for narcolepsy in a child or adolescent with new-onset hallucinations?
It would depend on other elements of the history. The age of the child, the timing of the hallucinations, particularly if they are associated with sleep, onset or awakening, other hypersomnia disorder symptoms, and the child's psychiatric history. Generally, I have a very low threshold for an in-lab...
Do you recommend careful correction of serum sodium to avoid osmotic demyelination syndrome in patients who are found to have isoosmolar hyponatremia in the setting of an elevated BUN level?
Urea is an ineffective osm and so if the blood is "isoosmolar" in the setting of hyponatremia but is isoosmolar because of an elevated BUN it may be isoosmolar numerically but not physiologically. I would ignore the BUN in making my decision. I would not ignore the BG though if it were elevated.
Which patient characteristics or scenarios drive you to choose tezepelumab over dupilumab for asthma?
I typically put adult patients with T2 high, and allergic phenotype on dupilumab whereas those that are T2 high only or T2 low are on tezepelumab. Additionally, if the patient has nasal polyps or AD, then I would prefer dupilumab over tezepelumab. I always have a discussion with the patient regardin...
How do you manage persistent insomnia despite ASV titration in patients with complex sleep apnea?
It is an excellent question, and I am not sure if I have a perfect answer. The first question I would have is if the insomnia pre-dated the treatment-emergent central sleep apnea. It is assumed if they are on adaptive servo-ventilation (ASV) that they already tried CPAP, had treatment-emergent centr...