An 85-year-old woman has her young Shih Tzu spayed
Channel: Dr David Sing
Date: 2016-10-02

This video discusses the advantages of shaving the dog prior to anaesthesia to decrease anaesthetic time and therefore risk.
 
Spaying the female dog young is advised as many older unspayed dogs develop pyometra which costs much more to be operated. 

I was advising the 85-year-old woman that she should wear a bracelet with contact telephone numbers in case she faints and passers-by can help her. She related an unbelievable incident. She did faint in a public place and her bracelet blessed by a Tibetan monk, said "wake up, wake up!". The passer-by offered her $300 to buy her bracelet but she did not sell.  She is a staunch Buddhist and helps the poor in India. 

Her dog was said to have heat 3 months ago. But the owner did not say she saw some bleeding 1 month ago. Surgery showed a 5-mm wide uterine horn filled with dark blood and much bleeding ovarian fat. The dog is normal now.