Questions tagged [surgery]

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

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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 ...
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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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Does the risk of recanalization increase if a person chooses an open-ended vasectomy (which closes only testicular end of the vas deferens)?

https://www.medicalnewstoday.com/articles/326737#vasectomy-reversal: The risk of recanalization may increase if: a person chooses an open-ended vasectomy, which closes only one end of the vas ...
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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 ...
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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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How does the length of the vas deferens excised during vasectomy impact the risk of recanalization after a vasectomy?

The studies I've found so far are old and/or inconclusive. https://www.fertstert.org/article/S0015-0282(02)04924-5/fulltext (2003, not a large sample size and a surprisingly high spontaneous ...
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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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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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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 ...
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After a meniscal repair of a torn discoid meniscus, is re-injury less likely than than the risk of tear before repair? [closed]

Im 17 years old and tore my meniscus. I always had problems with my right knee, as it would flare up during soccer practice. I woke up with a torn meniscus one day and it had flipped over and I couldn’...
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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 ...
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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 ...
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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 ...
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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.
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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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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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which treatment is recommended for metacarpal fractures (3+4)? operative or nonoperative?

which treatment is recommended for metacarpal fracture (3+4)? operative or nonoperative? What are pros and cons? The patient would like to avoid surgery and is 33 year old. ref https://www.ncbi....
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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 ...
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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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Is TAVR/TAVI possible for patients with minimal aortic valve calcification?

I am a medical student currently learning about cardiac diseases and treatment options. Just a while back, I heard about transcatheter aortic valve replacement surgery and how it may serve as an ...
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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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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 ...
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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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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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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 ...
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How are surgical patients kept still while awake?

Certain surgeries require the patient to be awake and lucid to be performed safely. If the patient has clonus, epileptic seizures, tremors, or any of a number of other symptoms, staying still during ...
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Surgery of the hemorrhoid or other veins

I got curious what really happens to the cut blood vessels after they were operated on at an arbitrary point... and how the blood circulation remains consistent(, especially if the blood vessel is a ...
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1answer
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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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How is “histologically invasive diameter” assessed in live patients?

Quote: A total of 34 patients were registered between July 2009 and June 2012. The mean age was 53.5 years. The median follow-up time was 23.7 months (2-24 months). The age at the time of ...
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The Ethics of extra treatment

This is something that I have been considering for quite a while based on a fictional story I had read. An unconscious individual must undergo emergency surgery in order to stabilise them and prevent ...
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Hernia repair with a mesh

I'm wondering if hernia repair with a mesh prevents the hernia from growing. I'm imagining a sort of plaster being placed over the hernia but the hole still being there and growing. Or is the mesh ...
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If a patient arrives at the ER unconscious and needs immediate surgery, will they be put under general anesthesia?

I can't seem to find an answer to this question anywhere, but I'm sure that there's some kind of procedure for this situation. Assuming attempts at resuscitation fail, what is the next step for a ...
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How does a late term abortion work?

Imagine this situation: A woman is pregnant with a baby in the 8th month and the doctors notice the pregnancy is affecting the health of the woman - so there has to be an abortion, for it is sure that ...
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Is it technically possible to replace aging body part and live forever? [closed]

I heard that iPS cells can be used to make some human organs (Takebe, et al. 2013). If we make young organs using regenerative medical techniques and replace aging organs with them, can we live ...
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Why do doctors use tendon instead of ligament in key-hole surgery?

For knee surgery, the most common method is to use a tendon from elsewhere in patient's body to replace the torn anterior cruciate ligament. But why tendon not ligament? Tendon have different ...
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Medical procedure to sever the brain's ability to communicate with the heart?

So, I think I read some-where that there is a surgical procedure to server the heart's ability to communicate with the brain, for reasons. A negative consequence of this was not being able to, for ...
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Safe and state-of-the art method of laser vision/eyesight correction/surgery?

I have defective vision, particularly shortsightedness. Obviously, it is quite widespread phenomenon. I tried several times to get accustomed to contact lenses, but without success. It irritates my ...