What is the case of livedo reticularis? Why can t livedo reticularis be cured?

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**Unknown, the mechanism may be**spasm of the middle arteries, dilation of superficial capillaries, thin veins, and congestion. Livedo reticularis can be classified as physiological, idiopathic, and secondary.

Physiological livedo reticularis: also known as marble**. Both lower limbs have a diffuse reticulate of blue-purple markings, which are more common in women and children. When it is cold, it appears, and when it is warm, it disappears, and there is no obvious discomfort.

Primary livedo reticularis: due to lesions of blood vessels.

Secondary livedo reticularis: It is a manifestation of other diseases, such as arteriosclerosis, dermatomyositis, rheumatic fever, cryoglobulinemia, lupus erythematosus and other intravascular obstruction or vascular wall diseases, and livedo reticularia can be widespread throughout the body rather than limited to the lower limbs.

Symptoms: livedo reticularis, which is mainly manifested as a bluish-purple reticular change.

Common symptoms. **Persistent, symmetrical reticular or patchy bruising with normal intercutaneous skin color of reticular structures.

It is more common in exposed limb parts such as the hands, forearms, ankles, and lower legs, but can also involve the entire lower extremities or buttocks, and rarely on the face and trunk.

Cyanosis worsens in cold environments and lessens with elevation of the affected limb and warm environments, but does not disappear completely.

Other symptoms. **Coldness, numbness, or pain, worse with cold.

It may be accompanied by calf and ankle ulcers, and it heals slowly, leaving white atrophic scars after healing.

Examination to confirm the diagnosis of livedo reticularis requires physical examination and histopathological examination.

Physical examination. By observing the location and scope of the lesion, it is helpful to understand the condition and diagnose the disease.

Histopathological examination.

Histopathological examination of part of the diseased tissue and direct observation of the structure of the diseased tissue can help confirm the diagnosis and rule out other diseases.

The diagnostician can confirm the diagnosis based on clinical findings, and histopathological examination can assist in diagnosis.

**Blue-purple, persistent reticular spots appear, which are noticeable in case of cold and lessen or disappear in case of heat.

Differential diagnosis. Erythema reticulata, erythema reticularis, erythema infectiosum and **heterochromia, whose clinical manifestations are similar to those of livedo reticularis.

Doctors can rule out other diseases through histopathological examinations, etc.

**For those with mild symptoms, keep warm and avoid exposing the limbs to the cold environment, no need**. Critically ill patients require medication**.

**For those with mild symptoms, keep warm and avoid exposing the limbs to the cold environment, no need**. Critically ill patients require medication**.

Routine care. 1.Pay attention to the cold and keep warm.

2.Bed rest is recommended for patients with ulcers.

3.If the lower limb is swollen, it can be bandaged with an elastic bandage.

4.Choose loose, soft clothing.

Drugs**. 1.For patients with ulcers, long-term anticoagulation and antifibrinolysis can be used**.

Anticoagulation with subcutaneous heparin**.

Oral phenformin and ethinylestradiol.

Intravenous infusion of streptokinase, urokinase, and dextran.

2.In patients with concomitant hypertension, blood pressure can be controlled by oral guanethidine.

3.The use of vasodilators can effectively relieve the blue-purple reticular macules, and niacin and nifedipine are commonly used.

4.Oral administration of Danshen tablets or intravenous infusion of Danshen liquid can also help relieve symptoms.

5.If other drugs can't be controlled, moderate doses of corticosteroids** may be used.

Primary livedo reticularis generally does not require ** and resolves on its own. For secondary patients, more drugs are used to relieve symptoms, and the primary disease is symptomatic**, and most patients need long-term persistence**.

1. Drugs**:

Tolazolin. It is a short-acting receptor blocker, which can dilate the peripheral blood vessels and reduce blood stasis. Patients with gastric ulcer, coronary arteriosclerosis, renal insufficiency, collapse and shock are contraindicated. There may be headache, flushing, tachycardia, arrhythmia, tinnitus, and a feeling of cold.

Niacin belongs to the vitamin B group, which has a certain vasodilating effect and alleviates the symptoms of livedo reticularis caused by blood stasis. Helps to improve immunity and avoid damage to the sebaceous glands. Helps to avoid hyperpigmentation and promotes wound recovery.

Scycyamine. It can inhibit smooth muscle spasm, reduce blood viscosity, inhibit thrombosis, and alleviate the symptoms of livedo reticularis. Common ones are dry mouth, sweating, palpitations, blurred vision, etc. Contraindicated in patients with glaucoma and enlarged prostate.

Troxerutin. It can inhibit the aggregation of platelets, prevent thrombosis, and reduce the effect of reticular liveliness. Occasionally, gastrointestinal reactions manifest as nausea and constipation.

2. Surgery**.

Livedo reticularis generally does not require surgery**.

PrognosisThe prognosis of livedo reticularis is related to the primary disease, and most patients can ** and do not affect the natural lifespan, if it does not progress in time**, it will lead to**vitiligo and ulcers. Patients need to be rechecked every week during the ** period to check the monitoring of ** effect.

Can**. Most patients with livedo reticularia can be **, and some secondary patients are not easy to do due to the severity of the primary disease**.

Levido reticularis is a vascular disease caused by a variety of causes** local circulatory disorders. It is characterized by the presence of persistent bluish-purple reticular changes in **. Generally, the effect of traditional Chinese medicine is good, pay attention to cold protection and warmth.

Traditional Chinese medicine: such as salvia preparations, oral or intravenous administration.