子宮切除術 (Hysterectomy)
Introduction
A hysterectomy is a major surgical procedure in which a woman’s uterus (womb) is removed. Depending on the medical reason for the surgery, other reproductive organs, such as the cervix, ovaries, and fallopian tubes, may also be removed. A hysterectomy is performed to treat a variety of chronic or life-threatening conditions, including severe endometriosis, large uterine fibroids, abnormal and heavy vaginal bleeding, uterine prolapse (where the uterus drops into the vaginal canal), or gynecologic cancers (such as cervical, uterine, or ovarian cancer). Because a hysterectomy permanently ends menstruation and the ability to become pregnant, it is usually considered only after less invasive treatments have failed, except in cases of cancer.
Surgical Procedure
There are several surgical approaches to a hysterectomy, chosen based on the patient’s anatomy and the reason for the surgery:
1. Abdominal Hysterectomy: The surgeon makes a 5 to 7-inch incision in the lower abdomen (either horizontally like a bikini cut or vertically). This approach provides the best view of the pelvic organs and is often used for large fibroids or cancer.
2. Vaginal Hysterectomy: The uterus is removed entirely through an incision inside the vagina. There are no external abdominal scars. This method generally offers the fastest recovery but is only suitable for certain conditions, like uterine prolapse.
3. Laparoscopic Hysterectomy: The surgeon makes three to four tiny incisions in the abdomen. A laparoscope (camera) and specialized tools are inserted to detach the uterus, which is then removed in small pieces through the incisions or through the vagina.
4. Robotic-Assisted Laparoscopic Hysterectomy: Similar to a standard laparoscopy, but the surgeon controls robotic arms from a console, providing 3D vision and enhanced precision.
Surgical Risks
As a major operation, a hysterectomy carries significant risks, including adverse reactions to general anesthesia, heavy bleeding, and the risk of blood clots forming in the legs or lungs.
General Complications
Common complications during the recovery period include:
– Pain, bruising, and swelling around the incision sites.
– Vaginal bleeding or spotting, which can last for several weeks.
– Digestive issues, such as constipation or temporary bowel sluggishness.
– If the ovaries are removed (oophorectomy) in a premenopausal woman, it will trigger immediate surgical menopause, leading to symptoms like hot flashes, mood swings, and vaginal dryness.
Rare but Serious Complications
Severe complications can include:
– Injury to surrounding organs, particularly the bladder, ureters, or bowel.
– Severe pelvic infection or abscess.
– Fistula formation (an abnormal connection between the vagina and bladder or rectum).
– Pelvic organ prolapse later in life, as the uterus previously provided structural support.
Pre-operative Preparation
– Medical Evaluation: Comprehensive blood tests, a pelvic exam, Pap smear, and imaging (ultrasound or MRI) are required.
– Medication Management: Blood thinners and aspirin must be stopped before surgery.
– Fasting: Patients must fast (no food or drink) for 8 to 12 hours before the procedure.
– Bowel Preparation: A laxative or enema may be required to empty the bowels, reducing the risk of injury during surgery.
Post-operative Care
Hospital stays vary by procedure: 1 to 2 days for laparoscopic or vaginal hysterectomies, and 2 to 4 days for an abdominal hysterectomy. A urinary catheter is usually placed during surgery and removed the next day. Pain medication is provided, and patients are strongly encouraged to walk shortly after surgery to prevent blood clots.
Wound Care
– Keep abdominal incisions clean and dry. Showers are usually permitted, but baths should be avoided until cleared by a doctor.
– Vaginal incisions use dissolvable stitches that do not require removal. Nothing should be placed inside the vagina (no tampons, no douching).
– Watch for signs of infection, such as spreading redness, pus, or a foul-smelling vaginal discharge.
Diet
Patients start with clear liquids and progress to a regular diet. A high-fiber diet and plenty of water are crucial to prevent constipation, as straining can damage internal healing tissues.
Post-discharge Notes
Recovery takes 2 to 4 weeks for minimally invasive procedures and 6 to 8 weeks for an abdominal hysterectomy.
– Strictly avoid heavy lifting (over 10 pounds) and strenuous exercise for at least 6 weeks.
– Abstain from sexual intercourse for 6 to 8 weeks to allow the vaginal cuff (the top of the vagina where the cervix was removed) to heal completely.
– Contact your doctor if you experience a high fever, severe abdominal pain, heavy vaginal bleeding, or difficulty urinating.
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