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18 votes

Why aren't leg amputations usually done right at the knee joint? (turkey leg style)

If you think about prosthetic devices, the answer will soon become clear. You would not wish to have your thigh bone extended by an extra six or eight inches (about the minimum distance that one ...
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  • 299
12 votes
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Videos of surgery

Top quality resources for videos will be found at sites from surgical academies, which often offer free or low-price subscriptions to students/residents/trainees: American College of Surgeons ...
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  • 5,693
11 votes
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How does getting up and moving help me recover from surgery?

This is a broad question, but here are just a few major things to take into consideration after a surgical procedure. Early mobility has been shown for many years to be a major predictor of ...
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10 votes

How does LASIK (laser eye surgery) work?

LASIK is an acronym for Laser-Assisted in situ Keratomileusis, with Keratomileusis meaning surgical improvement of the cornea's refractive capabilities, i.e. usually to overcome the defects of myopia (...
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  • 1,513
9 votes
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Why do surgeons wear blue aprons during surgeries?

Initially surgeons did wear white in the operating theater, but there were two large problems with this. Firstly, under the bright lights, the white reflects too much light making an inordinate amount ...
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  • 104
9 votes

Why aren't leg amputations usually done right at the knee joint? (turkey leg style)

The bone cut must be proximal enough to perform a myodesis (anchoring the muscle through drill holes near the cut end of the bone) or myoplasty (suturing the fascia of antagonistic muscles together) ...
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8 votes
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Heart transplant for people over the age of 65

In short, by having fewer or less serious risk factors than the other matching recipients currently on the transplant waiting list. Age is a risk factor that goes into the calculation, not a ...
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  • 9,303
7 votes
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Can any wound be sutured?

Not necessarily. Here are some examples that aren't good candidates for closing with sutures: A wound that is much wider than it is deep-- a bad road rash abrasion, for example. A wound with ...
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  • 1,251
7 votes
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The Ethics of extra treatment

You're describing an unexpected intra-operative finding. The possibility of unexpected findings (and their treatment) is usually discussed during the consent for the original procedure. Of course, in ...
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  • 3,153
6 votes

Are there a maximum number of times for surgical ablations on patients with Atrial Fibrillation?

In 2013, a systematic review and meta-analysis (see ref in source) examined the long term outcome of catheter ablation in patient with atrial fibrillation. They first looked at single procedure ...
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6 votes
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Surgery of the hemorrhoid or other veins

What happens when a blood vessel is cut during surgery? Blood vessels (not just veins, but arteries also) are transected (cut), ligated (tied off), and/or cauterized (burned closed) in just about ...
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  • 3,153
6 votes

Why is it necessary to fast before a procedure involving anesthesia?

The purpose of fasting before a procedure involving anesthesia is to avoid aspiration of stomach contents, not anything related to drug efficacy. Your anesthesiologist/physician/dentist/nurse wants ...
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5 votes

Is there no drawback on removing varicose veins?

Removing veins impairs blood flow to that area, but since the varicose veins aren't really getting blood efficiently to their locality anyway, I wouldn't call the lack of perfusion from removing them ...
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  • 151
5 votes
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Outcomes and risks of LASIK surgery

Post-operative complications include the following: Visually significant wrinkles or striae in the flap (1%) Dislocated flap (early postoperative period) Infection (early postoperative period; very ...
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5 votes
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How can doctors remove a stye without damaging the eyeball?

What is a stye? A stye is an infection of the sebaceous glands at the base of the eyelashes or the apocrine sweat glands on the margin of the eyelid. Styes are caused by the gland becoming blocked by ...
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5 votes
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Are Lupus patients typically good candidates for total ankle replacements?

When you browse through Pubmed, there are two articles which provide some insights for your question: Shah U, Mandl L, Mertelsmann-Voss C, et al. Systemic lupus erythematosus is not a risk factor for ...
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  • 882
5 votes
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Which medical specialist should be consulted for anus polyp?

Which medical specialist should be consulted for anal polyp? A physician specialised in disorders of the colon, rectum and anus might be the person of choice. This could be a proctologist (a ...
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5 votes
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Indications for surgery for Haglund's heel?

Haglund's syndrome is defined as soft tissue and bony abnormalities in the retrocalcaneal region such as retrocalcaneal bursitis, superficial tendo Achilles bursitis, and thickening and/or ...
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5 votes
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adequate exposure of the surgical field

It simply means visually exposing the tissues the surgeon needs to operate on. For example, if the surgeon needs to cut or suture inside one of the chambers and it's full of blood, they would be ...
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  • 9,303
5 votes
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Is there a common standard to assess the safety of medical procedures?

No. There is not a set standard for the safety of medical procedures. The risks of procedures varies and is balanced against the potential benefits of the procedure (which will also vary). Unlike ...
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  • 3,153
4 votes
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How is "histologically invasive diameter" assessed in live patients?

These patients were staged on surgery. Typically whole tumor is excised with clear margins confirmed intraoperatively. Note the measurement is diameter of the primary tumor. Nodes and mets are ...
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  • 3,153
4 votes
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What would a nearly-universal list of medical specialties look like

The best way to answer this would depend on your reason for making the list, which I do not know. Also, I am not sure how to create an international list, as specialties within a country are defined ...
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  • 5,693
4 votes
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Why don't dentists use stitches after doing a tooth extraction?

It is not a black-and-white rule that no sutures are used in dental surgery. There are disadvantages to suturing, e. g.: Clinical disadvantages of suturing: Although suturing postsurgically has ...
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  • 1,157
3 votes
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Are there a maximum number of times for surgical ablations on patients with Atrial Fibrillation?

This is a subject I'm very well versed in since I've had paroxysmal atrial fibrillation (PAF) and atrial flutter (AFL) for a number of years and I've undergone no fewer than five ablation procedures. ...
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  • 9,303
3 votes

Why do doctors use tendon instead of ligament in key-hole surgery?

Graham Chiu put it very well: "Where would you get a ligament from that isn't going to make you worse off?" We rely on our ligaments for the structural stability of our skeleton. This supersedes the ...
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3 votes
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How does a late term abortion work?

8th Month is ~ 32 Weeks, pregnancy is usually ~40 weeks Up to 15 weeks' gestation, suction-aspiration or vacuum aspiration are the most common surgical methods of induced abortion. (Healthwise, 2004) ...
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  • 1,083
3 votes
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Safe and state-of-the art method of laser vision/eyesight correction/surgery?

Brief description: LASEK and LASIK - cut a flap in the eye, use a laser to remove material underneath to reshape the lens and correct vision. LASIK has been around for a while, so there have been a ...
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3 votes

Techniques to avoid fainting when observing a surgery

If observing surgery might cause you to faint then there are two things you can do: Avoid observing surgeries. Desensitize yourself with videos and photos of surgeries in a controlled environment ...
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  • 9,303
3 votes
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Are there other surgeries with comparable restrictions to the real-life test for transsexual genital surgery?

There's a six month rule demanding abstinence from alcohol for liver transplants. I can't immediately find evidence of similar rules for other organs, but they might exist. There can also be a ...
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  • 148
3 votes

How does getting up and moving help me recover from surgery?

I have accepted an answer, but want to add one of my own with some more details I have observed as I go through the process (it's Day 5 today.) First, this is something you can do to help yourself ...
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