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Zhang Peng
General Surgery
About me
Studied at Changzhi Medical College from 2004 to 2009, graduated with a bachelor's degree; Studied at Qinghai University from 2009 to 2012, graduated with a master's degree in surgery; Employed at Linfen People's Hospital in July 2012, working in general surgery to present. Visiting scholar at Peking University Medical School from March to December 2019.
Proficient in diseases
Common diseases in general surgery: comprehensive treatment of gastrointestinal tumors, thyroid and breast diseases, inguinal hernia, etc.
Voices
Characteristics of Appendicitis Pain
The most typical pain manifestation of appendicitis is migratory pain, which generally starts in the upper abdomen or around the navel, and in most cases moves to the lower right abdomen and becomes fixed within a few hours. During physical examination, the pain usually localizes to a fixed point in the lower right abdomen, typically at McBurney's point, although this can vary with the position of the appendix. However, as the condition of the appendix progresses, such as when it becomes purulent or even gangrenous, the inflammation worsens and the area of tenderness can expand. This is mostly manifested by symptoms of peritoneal irritation, which are generally indicative of the timing for surgery. In most cases of appendicitis where the diagnosis is clear, early surgical intervention is recommended, as surgery is the only cure. Most patients who improve with conservative treatment are likely to experience recurrence later on.
How long does a tetanus shot last?
Tetanus prophylactic treatment is advised to be carried out as soon as possible, ideally within 24 hours for optimal effectiveness. However, prevention treatment can still be carried out after 24 hours, as long as the disease has not manifested. Current research does not prove that tetanus prevention is ineffective after this period. Therefore, timely and effective preventive treatment should be implemented following high-risk tetanus infection factors, choosing either tetanus antitoxin or tetanus immunoglobulin. The incubation period for tetanus infection is about a week, and as long as the disease has not manifested, choosing appropriate medication can have a preventive effect. Tetanus antitoxin and tetanus immunoglobulin have different metabolic cycles; the half-life of tetanus antitoxin is generally about three days, whereas tetanus immunoglobulin can last up to three weeks.
Thyroid nodule surgery risks
The hazards of thyroid surgery actually refer to the risks involved in thyroid surgery. Thyroid surgery is now a common treatment method. The main risks of thyroid surgery include anesthesia on one hand, and postoperative bleeding on the other. There might be a need for a second incision for decompression. The most common complications are choking while drinking water and hoarseness of voice, mainly due to the involvement or damage to relevant nerves during the surgery. Generally, these complications resolve after a period of adjustment, and most people can recover normally.
Intestinal obstruction complications
The complications of intestinal obstruction include some common clinical symptoms such as abdominal pain, distension, nausea, vomiting, and cessation of passing gas or stool from the anus. The initial symptom in complications is electrolyte imbalance, which is caused by the inability to eat and frequent vomiting. Another issue is the displacement of intestinal flora due to the obstruction, which can lead to infections. This is why it’s essential for patients with intestinal obstruction to actively undergo antibiotic treatment. The most severe complication is that a serious intestinal obstruction can lead to necrosis of the intestine. Based on this necrosis, a patient can develop septic shock or toxic shock, which are life-threatening conditions.
Can an umbilical hernia be pressed with hands?
Umbilical hernia can be manually reduced by pushing it back into place. For children, most can be reduced by manual manipulation. For adults, it may be relatively more difficult, but generally, if incarceration has not occurred, manual reduction can be successful. In the treatment of umbilical hernia, conservative observation can be considered for children under two years old. The method of using adhesive tape may be employed since the self-healing can occur through their natural development before the age of two with appropriate conservative treatment. If the diameter of the umbilical ring still exceeds 1.5 cm after two years old, surgical intervention should be considered timely. For adults, umbilical hernias are generally treated through surgical means. Adult umbilical hernias are prone to incarceration and strangulation, particularly because the umbilical ring is usually smaller and a sudden increase in abdominal pressure can lead to incarceration. The treatment choices for adult umbilical hernia include tissue repair suturing or tension-free hernia repair, with laparoscopy also being a viable treatment option.
Can colorectal cancer be inherited?
Can rectal cancer be inherited? Rectal cancer is a relatively common type of malignant tumor in the rectum. Genetic factors are among the causes of rectal cancer, but they are not absolute. The proportion of genetic factors in the occurrence of rectal cancer is relatively small. Most causes are related to inhalative lesions of the rectum, and also linked to the patient's lifestyle, bowel habits, etc., which can lead to the occurrence of rectal cancer. So, there is a genetic component, but the likelihood is low. Therefore, for patients with familial hereditary diseases or families where multiple people have rectal cancer, it is important to conduct timely re-examinations with colonoscopies or to perform some genetic screening.
Causes of Intussusception in the Elderly
Intussusception refers to an obstruction caused by one segment of the intestine entering an adjacent segment, which can occur at any age. In adults, over 85% of intussusception cases can be attributed to organic lesions, typically tumors, but also possibly due to polyps or diverticula in the intestines. Typical symptoms of intussusception may include abdominal pain, an abdominal mass, and jelly-like bloody stool. In adults, intussusception is generally treated surgically. The surgical approach often involves exploratory laparotomy, possibly involving intestinal resection and anastomosis. For the resected part, reinforced suturing is usually required. If a primary anastomosis cannot be tolerated, procedures such as creating a stoma or exteriorizing the intestine may be performed, awaiting stabilization of the condition before further treatment.
How long after appendicitis can one have intercourse?
Regarding how long after appendectomy one can engage in sexual activities, it mainly depends on the treatment method used and the healing status after the surgery. Most cases of appendicitis can be treated with minimally invasive techniques, which not only cause less trauma and allow for quicker recovery but also reduce postoperative complications. The abdomen typically has two to three small puncture holes, each about one centimeter in length, and most patients can achieve sufficient strength to engage in sexual activities about a month after surgery. However, for traditional open surgery, the abdominal incision is usually longer, which may lead to incision infection and poor healing of the incision, and it generally takes about three months to achieve sufficient strength. For acute appendicitis, minimally invasive treatment is generally recommended, provided the patient's condition permits.
Can an umbilical hernia cause a baby to cry?
Umbilical hernia can cause babies to cry because it might lead to incarceration, although the chance of this occurring is generally low. It is more likely to happen when there's a sudden increase in abdominal pressure in children. In cases of incarceration, if it involves the small intestine, it can cause the child to experience abdominal pain, bloating, constipation, etc. Therefore, the baby may cry. Crying might also aggravate the incidence of incarceration. So, for umbilical hernias with noticeable protrusion, it is important to soothe the patient promptly and avoid vigorous activities. One can use a coin or cardboard larger than the umbilical ring, cover it, hold it against the ring and secure it with adhesive tape to prevent it from moving and the hernia from protruding. This method can generally be used until the child is two years old, because umbilical hernias in children can heal by themselves before this age. If the umbilical ring is still relatively large after two years, timely surgical treatment should be considered.
Will an umbilical hernia hurt?
Umbilical hernia can cause pain, especially during incarceration and strangulation. Generally, umbilical hernias are caused by factors such as pregnancy, excessive omental fat, chronic coughing, and severe constipation. A sudden increase in abdominal pressure may lead to the incarceration of the omentum or intestines, causing significant pain and hardening of the hernial mass. In such cases, emergency surgery may be necessary. For adults, traditional tissue repair or open tension-free hernia repair is generally chosen, while minimally invasive treatment options may be selected for specific groups. In children, umbilical hernias are typically observed conservatively, and if the umbilical ring remains larger than 1.5cm after the age of two, surgery should be considered.