LARYNGOTOMY. 



469 



In summer it is well to turn the patient out to grass for six or eight 

 weeks. 



Dyspnoea sometimes disappears in about eight weeks after the 

 operation, but the process of cicatrisation often takes longer, and 

 sometimes roaring only ceases in four to six months after operation. 



Fig. 382. — Superior opening of the larynx and glottis of a " roarer " that died of 

 pneumonia eighteen days after the operation. The lips of the wound resulting 

 from ablation of the arytenoid were not sutured. P, Partly healed wound. 



This operation must not be expected to do more than render 

 valuable horses, which are practically useless, owing to roaring, 

 again capable of work. It will, however, do this in a certain proportion 

 of cases. A number of horses operated on by Moller worked for 

 several years. Some were used for riding, and even for racing. A 

 race-horse, operated on in 1891, won £1,500 the next year, the roaring 

 having completely disappeared. It cannot be denied that success 



