You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is TESPAL is used in management of and explain in detail?
Tespal: (Trans nasal endoscopic sphenopalatine aery ligation) Indication: Epistaxis not responding to conventional conservative management. Posterior epistaxis Complications of TESPAL: 1. Palatal numbness 2. Sinusitis 3. Decreased lacrimation 4. Septal perforation 5. Inferior turbinate necrosis Ref otolaryngology dhingra 3e