Questions tagged [surgery]

The treatment of injuries or disorders of the body by incision or manipulation, esp. with instruments.

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What is the difference between enlarged inguinal canals and an inguinal hernia? [closed]

When inguinal canals are enlarged, parts of the intestine can get inside them. Why isn't this classified as a hernia?
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Does alternating silicone sheets with silicone gel yield a better scar reduction than using silicone sheets or silicone gel alone?

ScarAway's packaging mentions (ScarAway is one of the main brands for silicone gels and silicone sheets in the United States): For best results: Use as part of a complete scar treatment regimen, ...
3 votes
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How does a cardiopulmonary bypass machine continue circulation without cutting off circulation to the pulmonary veins and artery?

So, my first stop in trying to answer this question was on Johns Hopkins website, but they are way too vague about the procedure, especially the use of a cardiopulmonary bypass machine. The only ...
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How is blood pressure monitored during surgery?

Yesterday I had a minor procedure involving anesthetic and being "on the table". As the blood pressure cuff inflated, it occurred to me that on medical TV shows, where they are doing far ...
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Can anyone help me find this case of a boy who died from an OR mistake during tonsillectomy?

I realize that this is obscure. In the 1990s, I remember reading an article in either Time or Newsweek about how a hospital that screwed up a tonsillectomy, resulting in the death of their young ...
1 vote
1 answer
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Are the surgical site infections "in the brain" caused by same bacteria found in "other parts of the body"?

Are the surgical site infections "in the brain" caused by same bacteria found in "other parts of the body"? There's a blood-brain barrier so, most of the bacteria that infect ...
22 votes
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Why aren't leg amputations usually done right at the knee joint? (turkey leg style)

I've noticed that leg amputations aren't usually done right at the knee joint. Instead, it seems like leg amputations are often done further up the leg -- up on the thigh bone. As someone who knows ...
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Will cryolipolysis reduce fat cell's total number in human?

As we known, fat cell's number will not decrease for adults. Without other surgery, new fat cell will replace the dead fat cell and keep the total number constant. A and B are two people with same ...
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Is it true that surgery for cancer can cause the cancer to spread? [closed]

This cancer.org article says: You may have heard that surgery for cancer can cause the cancer to spread. It's very rare for surgery to cause cancer to spread. Advances in equipment used during ...
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Ice cream after surgery (Forrest Gump)

Forrest Gump: The only good thing about being wounded in the buttocks is the ice cream. They gave me all the ice cream I could eat. https://www.youtube.com/watch?v=1sY7umyLACw (from 00:30) Is there a ...
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How to access your doctor or surgeon's medical "track record" before a surgery or procedure

United States here, and New York state specifically (if it matters). Our five year old son needs to have an endoscopy performed with a local GI specialist. I understand its a simple procedure, but ...
14 votes
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How does LASIK (laser eye surgery) work?

LASIK, or laser eye surgery, is a surgery which reshapes the cornea to correct sight problems (e.g. short sighted, long sighted, astigmatism). Why can laser (which is simply light) reshape the ...
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1 answer
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How do neurosurgeons drill into skull without damaging the brain?

I stumbled upon some videos showing real brain surgeries and noticed how the surgeon often uses a hand-held drill to create a hole in the skull (for accessing the brain). This made me wonder: How does ...
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Are deaths resulting from medical procedures reported and searchable?

In New York State are specialists, surgeons, anesthesiologists, etc. reported to a state agency when a patient, undergoing surgery or medical procedure with them, dies during the procedure or from ...
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What is meant by surgical stabilization?

This idiom pops up in many articles, yet I have yet to find a definition of it, because it's always used in a specific context (e.g. surgical stabilization of the spine)... I know that the meaning of ...
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How is a ruptured blood vessel repaired? (Drew Bledsoe)

A famous near-fatal injury is the ruptured blood vessel suffered by Drew Bledsoe in a football game in 2001. He was hit in the chest by the tackler's shoulder and this sheared a blood vessel in his ...
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Why are the surgical margins for invasive ductal carcinoma less than the margins required for invasive ductal carcinoma in situ?

Per the NCCN guidelines version 4.2020 (which is unfortunately pay-walled), for invasive ductal carcinoma (IDC), the recommended margins are no tumor on ink, while isolated ductal carcinoma in situ (...
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1 answer
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Is there a common standard to assess the safety of medical procedures?

Many medical procedures (which are less or more necessary) like LASIK, joint replacement, tonsillectomy or gallbladder removal are described for patients as very safe (usually with a high number of ...
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Fat cut out and repositioned in facial surgery - how does it survive and reattach?

I watched a surgery on youtube here. It's a lower blepharoplasty - a cosmetic surgery to remove "eye bags". The surgeon in that video cuts out small chunks of fat from pockets around the eye....
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How would someone with medical experience treat a closed fracture of the tibia without proper equipment?

Let's assume a few people were stranded in the wilderness and didn't have access to proper medical equipment. One suffers a simple, closed fracture of the tibia right between knee and foot joint due ...
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Does fascial interposition significantly improve vasectomy success when mucosal cautery is the method of vas occlusion?

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC406425: Fascial interposition significantly improves vasectomy success when ligation and excision is the method of vas occlusion. A limitation of this ...
-1 votes
1 answer
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Are open-ended vasectomies less likely to cause post-vasectomy pain than closed vasectomies?

Are open-ended vasectomies less likely to cause post-vasectomy pain than closed vasectomies? I have found https://www.vasectomy.com/question/is-open-testicular-end-vasectomy-better-11304: This is ...
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When performing a vasectomy with cautery combined with fascial interposition, is it preferable to use dissolving sutures or a clip?

According to https://vasectomie.net/Vasectomy_AUA_guideline.pdf: The panel does not advocate the omission of FI (fascial interposition) in performing open ended vasectomy with MC (mucosal cautery). ...
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Is an open-ended vasectomy easier to reverse than a closed vasectomy?

Is an open-ended vasectomy easier to reverse than a closed vasectomy? https://www.vasectomy.com/question/is-open-testicular-end-vasectomy-better-11304 says: So the proponents of [open-ended ...
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Is there no drawback on removing varicose veins?

If we remove our varicose veins because they are useless, would we get any drawbacks by removing them? For example, we might need to remove rest of them next time. Wouldn't it be a problem for us if ...
6 votes
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Why not use epinephrine in heart failure?

In a situation where a patient's heart isn't strong enough for surgery, why isn't it common for a doctor to give the patient epinephrine before the surgery? Do the effects of epinephrine not last long ...
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Is hair transplantation really efficient [closed]

Men hair loss is a real issue, and having been suffered from it trying to apply various inefficient ways, the only final way to resolve the issue, I believe, is hair transplantation. However, I'm not ...
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Reducing trauma from surgery prohibiting sedation

I've noticed something a bit worrying about the way certain surgeries are performed, and I was wondering if there is a better way: During surgery, medications are administered to induce ...
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Is there any long-term upside in having an open-ended vasectomy instead of a closed vasectomy, given that all open vasectomies will eventually close?

https://www.theturekclinic.com/blog/choosing-an-open-or-closed-vasectomy-in-beverly-hills/: First off, all open vasectomies will eventually close. It’s what the body does with leaks. It just takes ...
6 votes
1 answer
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Why is it necessary to fast before a procedure involving anesthesia?

Before dental or surgical procedures involving anesthesia, there is a common instruction for patients to avoid eating or drinking for some time before their scheduled procedure. Is this because the ...
3 votes
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Why is the Virchow node involved in Gastric Adeonocarcinoma?

The lymph node drainage of the stomach is via the pyloric and related lymph nodes. Either way, the supraclavicular node (Virchow's node) is not the first lymph node that drains the Stomach. According ...
4 votes
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Why are healthcare costs so inflated in the USA? [closed]

I have seen much more inexpensive non-socialized medicine in places such as Puerto Rico, with equal or greater standards of care and outcomes. I would like to understand why the USA is not like that.
3 votes
1 answer
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Why don't dentists use stitches after doing a tooth extraction?

I had tooth extraction in 2007. Dentist didn't use stitches just gave me a cotton told me to hold onto it with teeth. Bleeding last for 3-4 hours. Usually, however, bleeding will almost completely ...
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2 answers
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How do hospitals decide whether to reopen elective surgeries during this COVID-19 pandemic?

Many hospitals have cancelled or postponed elective procedures due to the current COVID-19 pandemic. What kinds of considerations are ethics committees making when deciding to reopen elective ...
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Is it ok to buy non-sterile scalpels for non-medical reasons during the COVID outbreak?

I'm working on a non-medical project. Its only relationship to COVID is that I'm at home now and have more time to devote to it. For this project, I need to use scalpels. Because I'm only cutting ...
1 vote
1 answer
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Medical instruments for pushing something out of the way

In the Russian classification of medical instruments, some instruments are grouped under the title "medical instruments for moving aside": The description says: "Instruments whose working ...
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What are the most significant breast tissues in Gynecomastia?

From prior research I understand that only these types of tissues can cause gynecomastia: Adipose tissue ("watery") Mammary Gland Tissue ("viscous") Excessive skin tissue ("saggy") Connective Tissue ...
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Rationale for Pilocarpine instillation after retrobulbar haemorrhage

BACKGROUND: Retrobulbar haemorrhage may occur due to retrobulbar block. Immediate pressure bandage after instilling one drop of 2% pilocarpine and postpone of operation for a week is advised. What is ...
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i have appointment for "Elektiv-Ambulanz" (Germany) [closed]

I have an appointment for "Elektiv-Ambulanz", what does it mean I want to do my surgery as an outpatient instead of inpatient.
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1 answer
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Anaesthesia and sleep

Having had two surgeries under general anaesthesia recently, I have been wondering... Being under general anaesthesia is physiologically not the same as sleeping. Sleep is needed in humans for ...
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Are transorbital lobotomies still considered ethical these days?

Psychosurgery has a controversial history and despite modifications still raises serious questions about benefit, risks, and the adequacy with which consent is obtained. Its continued use is defended ...
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What happens in an operating theatre when a fire alarm goes off?

What happens in an operating theatre, during complex surgery that cannot be safely interrupted, when a fire alarm goes off and is not a test? I assume that there is some sort of protocol in place?
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What are the names of surgical instruments?

My questions Please tell me the names of scissors (1) and (2) of the following figure. Please also refer to the differences in characteristics of (1) and (2) for the case when we use ...
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1 answer
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Videos of surgery

Where can I find a website which contains videos of open trauma (HD if possible)? I want to accustom to these views (because I am a medical student).
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What would a nearly-universal list of medical specialties look like

I need to create easy to read universal list of medical specialties. This goal seems impossible if taking into account subspecialties - in most countries they are pretty different. Since there are no ...
2 votes
1 answer
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Why is the cost estimate for the first head transplant 100 million USD? [closed]

I read on https://web.archive.org/web/20171118202503/https://www.usatoday.com/story/news/world/2017/11/17/italian-doctor-says-worlds-first-human-head-transplant-imminent/847288001/: An Italian ...
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What is the likelihood of effective repair of septal perforations greater than 2 cm?

With septal perforations >2 cm that have clear borders what is the likelihood of establishing blood supply over the inserted cartilage after septal repair? How much of the existing mucosa can be ...
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Application of acellular dermal matrix (ADM) and other external materials in transgender female's vaginoplasty

I am a transgender female who is looking for SRS options. I would like to know if there is any method of operation that allows the doctor to perform vaginoplasty with ADM material or other external ...
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How does sleep affect anesthesia? [closed]

Before surgery that requires anesthesia the patient is told stuff like don't eat. Some people cannot sleep well prior to surgery. Can having a full night or regular good sleep fair better for ...
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Does corrective eye surgery for affect the ability to focus similar to corrective lenses?

If corrective lenses adjust the point at which the eyes focus and, for a strong correction, inhibit the ability to focus at the opposing distance, will corrective eye surgery affect vision in the same ...