Exhibit 21.1

Subsidiaries of the Registrant

The Registrant has the following subsidiaries which, except as indicated, do business under their legal names:



|                                                                                                            |  |                                    
|----------------------------------------------------------------------------------------------------------- |  | -----------------------------------
|NAME                                                                                                        |  | PLACE OF
INCORPORATION/ORGANIZATION
|Ambulatory Infusion Therapy Specialist, Inc.                                                                |  | Texas                              
|Dallas Nevada, Inc.                                                                                         |  | Nevada                             
|Shanghai De an Hospital, Ltd.                                                                              |  | China                              
|Doctors Practice Management, Inc.                                                                           |  | Texas                              
|DPM II, Inc.                                                                                                |  | Texas                              
|Dynacq Huai Bei Healthcare, Inc.                                                                            |  | China                              
|Pasadena Nevada, Inc.                                                                                       |  | Nevada                             
|Surgery Specialty Hospitals of America, Inc.                                                                |  | Nevada                             
|Vista Community Medical Center, LLP d/b/a Surgery Specialty Hospitals of America  Southeast Houston Campus |  | Texas                              
|Vista Dallas, LLC                                                                                           |  | Texas                              
|Vista Healthcare, Inc.                                                                                      |  | Texas                              
|Vista Holdings, LLC                                                                                         |  | Louisiana                          
|Vista Hospital of Baton Rouge, LLC d/b/a Vista Surgical Hospital of Baton Rouge                             |  | Louisiana                          
|Vista Hospital of Dallas, LLP d/b/a Vista Hospital of Dallas                                                |  | Texas                              
|Vista Land and Equipment, LLC                                                                               |  | Texas                              
|Vista Medical Management, LLC                                                                               |  | Louisiana                          
|Vista Surgical Center West, LLC                                                                             |  | Texas                              
|Sino Bond Inc. Limited                                                                                      |  | Hong Kong                          
|Shanghai FengHan Enterprise Development Ltd.                                                                |  | China                              
|Wen Zhou Li Ji Hospital Investment Management Ltd.                                                          |  | China                              
|Rui An Second Peoples Hospital                                                                             |  | China                              
|Hu Gang Jing (Hangzhou) Technology Co. Ltd.                                                                 |  | China                              
|Hangzhou Hu GangJing Medical Investment Ltd.                                                                |  | China                              
|Hangzhou Hu GangJing Investment Management Ltd.                                                             |  | China                              
|Shanghai Hu Jing Investment Management Ltd.                                                                 |  | China                              
|Shanghai Run Tian Enterprise Ltd.                                                                           |  | China                              
|Dynacq Healthcare, Inc.                                                                                     |  | Cayman Islands