Please assess the completion status of the following clinical trial:

Trial Title: Central Venous Pressure Guided Hydration Prevention for Contrast-Induced Nephropathy

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: TRIPLE
- Phase: None
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~1. congestive heart failure: objective evidences for decreased left ventricular eject fraction (LVEF) \<= 50%;~2. moderate to severe chronic kidney disease was defined as an eGFR 15 to 59 mL/min per 1.73 m2, calculated via the abbreviated Modification of Diet in Renal Disease (MDRD) study equation from SCr obtained within 72 hours of enrollment;~3. patients were scheduled to undergo diagnostic cardiac angiography or percutaneous coronary interventions.~Exclusion Criteria:~1. hemodialysis-dependent patients;~2. complicated with severe short-term progressive disease;~3. Patients \< 18 years;~4. pregnancy;~5. emergency cardiac catheterisation (eg, primary percutaneous coronary intervention for ST-segment elevation myocardial infarction);~6. exposure to radiographic contrast media within the previous 7 days;~7. acute decompensated heart failure.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 80 Years
- Healthy Volunteers: f

Study Arms:
- CVP guided hydration (Type: EXPERIMENTAL): The fluid rate was adjusted according to the CVP dynamically
- Control (Type: ACTIVE_COMPARATOR): The control group was hydrated at 1 mL/kg per h.

Based on this trial design, predict the completion outcome and termination type (if applicable).